Library & Information Science Education Network

What is Bibliography?: Meaning, Types, and Importance

Md. Ashikuzzaman

A bibliography is a fundamental component of academic research and writing that serves as a comprehensive list of sources consulted and referenced in a particular work. It plays a crucial role in validating the credibility and reliability of the information presented by providing readers with the necessary information to locate and explore the cited sources. A well-constructed bibliography not only demonstrates the depth and breadth of research undertaken but also acknowledges the intellectual contributions of others, ensuring transparency and promoting the integrity of scholarly work. By including a bibliography, writers enable readers to delve further into the subject matter, engage in critical analysis, and build upon existing knowledge.

1.1 What is a Bibliography?

A bibliography is a compilation of sources that have been utilized in the process of researching and writing a piece of work. It serves as a comprehensive list of references, providing information about the various sources consulted, such as books, articles, websites, and other materials. The purpose of a bibliography is twofold: to give credit to the original authors or creators of the sources used and to allow readers to locate and access those sources for further study or verification. A well-crafted bibliography includes essential details about each source, including the author’s name, the title of the work, publication date, and publication information. By having a bibliography, writers demonstrate the extent of their research, provide a foundation for their arguments, and enhance the credibility and reliability of their work.

1.2 Types of Bibliography.

The bibliography is a multifaceted discipline encompassing different types, each designed to serve specific research purposes and requirements. These various types of bibliographies provide valuable tools for researchers, scholars, and readers to navigate the vast realm of literature and sources available. From comprehensive overviews to specialized focuses, the types of bibliographies offer distinct approaches to organizing, categorizing, and presenting information. Whether compiling an exhaustive list of sources, providing critical evaluations, or focusing on specific subjects or industries, these types of bibliographies play a vital role in facilitating the exploration, understanding, and dissemination of knowledge in diverse academic and intellectual domains.

As a discipline, a bibliography encompasses various types that cater to different research needs and contexts. The two main categories of bibliographies are

1. General bibliography, and 2. Special bibliography.

1.2.1. General Bibliography:

A general bibliography is a comprehensive compilation of sources covering a wide range of subjects, disciplines, and formats. It aims to provide a broad overview of published materials, encompassing books, articles, journals, websites, and other relevant resources. A general bibliography typically includes works from various authors, covering diverse topics and spanning different periods. It is a valuable tool for researchers, students, and readers seeking a comprehensive collection of literature within a specific field or across multiple disciplines. General bibliographies play a crucial role in guiding individuals in exploring a subject, facilitating the discovery of relevant sources, and establishing a foundation for further research and academic pursuits.

The general bibliography encompasses various subcategories that comprehensively cover global, linguistic, national, and regional sources. These subcategories are as follows:

  • Universal Bibliography: Universal bibliography aims to compile a comprehensive list of all published works worldwide, regardless of subject or language. It seeks to encompass human knowledge and includes sources from diverse fields, cultures, and periods. Universal bibliography is a monumental effort to create a comprehensive record of the world’s published works, making it a valuable resource for scholars, librarians, and researchers interested in exploring the breadth of human intellectual output.
  • Language Bibliography: Language bibliography focuses on compiling sources specific to a particular language or group of languages. It encompasses publications written in a specific language, regardless of the subject matter. Language bibliographies are essential for language scholars, linguists, and researchers interested in exploring the literature and resources available in a particular language or linguistic group.
  • National Bibliography: The national bibliography documents and catalogs all published materials within a specific country. It serves as a comprehensive record of books, journals, periodicals, government publications, and other sources published within a nation’s borders. National bibliographies are essential for preserving a country’s cultural heritage, facilitating research within specific national contexts, and providing a comprehensive overview of a nation’s intellectual output.
  • Regional Bibliography: A regional bibliography compiles sources specific to a particular geographic region or area. It aims to capture the literature, publications, and resources related to a specific region, such as a state, province, or local area. Regional bibliographies are valuable for researchers interested in exploring a specific geographic region’s literature, history, culture, and unique aspects.

1.2.2. Special Bibliography:

Special bibliography refers to a type of bibliography that focuses on specific subjects, themes, or niche areas within a broader field of study. It aims to provide a comprehensive and in-depth compilation of sources specifically relevant to the chosen topic. Special bibliographies are tailored to meet the research needs of scholars, researchers, and enthusiasts seeking specialized information and resources.

Special bibliographies can cover a wide range of subjects, including but not limited to specific disciplines, subfields, historical periods, geographical regions, industries, or even specific authors or works. They are designed to gather and present a curated selection of sources considered important, authoritative, or influential within the chosen subject area.

Special bibliography encompasses several subcategories that focus on specific subjects, authors, forms of literature, periods, categories of literature, and types of materials. These subcategories include:

  • Subject Bibliography: Subject bibliography compiles sources related to a specific subject or topic. It aims to provide a comprehensive list of resources within a particular field. Subject bibliographies are valuable for researchers seeking in-depth information on a specific subject area, as they gather relevant sources and materials to facilitate focused research.
  • Author and Bio-bibliographies: Author and bio-bibliographies focus on compiling sources specific to individual authors. They provide comprehensive lists of an author’s works, including their books, articles, essays, and other publications. Bio-bibliographies include biographical information about the author, such as their background, career, and contributions to their respective fields.
  • Bibliography of Forms of Literature: This bibliography focuses on specific forms or genres of literature, such as poetry, drama, fiction, or non-fiction. It provides a compilation of works within a particular literary form, enabling researchers to explore the literature specific to their interests or to gain a comprehensive understanding of a particular genre.
  • Bibliography of Materials of Particular Periods: Bibliographies of materials of particular periods compile sources specific to a particular historical period or time frame. They include works published or created during that period, offering valuable insights into the era’s literature, art, culture, and historical context.
  • Bibliographies of Special Categories of Literature: This category compiles sources related to special categories or themes. Examples include bibliographies of children’s literature, feminist literature, postcolonial literature, or science fiction literature. These bibliographies cater to specific interests or perspectives within the broader field of literature.
  • Bibliographies of Specific Types of Materials: Bibliographies of specific materials focus on compiling sources within a particular format or medium. Examples include bibliographies of manuscripts, rare books, visual art, films, or musical compositions. These bibliographies provide valuable resources for researchers interested in exploring a specific medium or format.

1.3 Functions of Bibliography

A bibliography serves several important functions in academic research, writing, and knowledge dissemination. Here are some key functions:

  • Documentation: One of the primary functions of a bibliography is to document and record the sources consulted during the research process. By providing accurate and detailed citations for each source, it can ensure transparency, traceability, and accountability in scholarly work. It allows readers and other researchers to verify the information, trace the origins of ideas, and locate the original sources for further study.
  • Attribution and Credit: The bibliography plays a crucial role in giving credit to the original authors and creators of the ideas, information, and materials used in research work. By citing the sources, the authors acknowledge the intellectual contributions of others and demonstrate academic integrity. This enables proper attribution and prevents plagiarism, ensuring ethical research practices and upholding the principles of academic honesty.
  • Verification and Quality Control: It acts as a means of verification and quality control in academic research. Readers and reviewers can assess the information’s reliability, credibility, and accuracy by including a list of sources. This allows others to evaluate the strength of the evidence, assess the validity of the arguments, and determine the scholarly rigor of a work.
  • Further Reading and Exploration: The bibliography is valuable for readers who wish to delve deeper into a particular subject or topic. By providing a list of cited sources, the bibliography offers a starting point for further reading and exploration. It guides readers to related works, seminal texts, and authoritative materials, facilitating their intellectual growth and expanding their knowledge base.
  • Preservation of Knowledge: The bibliography contributes to the preservation of knowledge by cataloguing and documenting published works. It records the intellectual output within various fields, ensuring that valuable information is not lost over time. A bibliography facilitates the organization and accessibility of literature, making it possible to locate and retrieve sources for future reference and research.
  • Intellectual Dialogue and Scholarship: The bibliography fosters intellectual dialogue and scholarship by facilitating the exchange of ideas and enabling researchers to build upon existing knowledge. By citing relevant sources, researchers enter into conversations with other scholars, engaging in a scholarly discourse that advances knowledge within their field of study.

A bibliography serves the important functions of documenting sources, crediting original authors, verifying information, guiding further reading, preserving knowledge, and fostering intellectual dialogue. It plays a crucial role in maintaining academic research’s integrity, transparency, and quality and ensures that scholarly work is built upon a solid foundation of evidence and ideas.

1.4 Importance of Bibliographic Services

Bibliographic services are crucial in academia, research, and information management. They are a fundamental tool for organizing, accessing, and preserving knowledge . From facilitating efficient research to ensuring the integrity and credibility of scholarly work, bibliographic services hold immense importance in various domains.

Bibliographic services are vital for researchers and scholars. These services provide comprehensive and reliable access to various resources, such as books, journals, articles, and other scholarly materials. By organizing these resources in a structured manner, bibliographic services make it easier for researchers to locate relevant information for their studies. Researchers can explore bibliographic databases, catalogues, and indexes to identify appropriate sources, saving them valuable time and effort. This accessibility enhances the efficiency and effectiveness of research, enabling scholars to stay up-to-date with the latest developments in their fields.

Bibliographic services also aid in the process of citation and referencing. Proper citation is an essential aspect of academic integrity and intellectual honesty. Bibliographic services assist researchers in accurately citing the sources they have used in their work, ensuring that credit is given where it is due. This not only acknowledges the original authors and their contributions but also strengthens the credibility and authenticity of the research. By providing citation guidelines, formatting styles, and citation management tools, bibliographic services simplify the citation process, making it more manageable for researchers.

Another crucial aspect of bibliographic services is their role in preserving and archiving knowledge. Libraries and institutions that provide bibliographic services serve as custodians of valuable information. They collect, organize, and preserve various physical and digital resources for future generations. This preservation ensures that knowledge is not lost or forgotten over time. Bibliographic services enable researchers, students, and the general public to access historical and scholarly materials, fostering continuous learning and intellectual growth.

Bibliographic services contribute to the dissemination of research and scholarly works. They provide platforms and databases for publishing and sharing academic outputs. By cataloguing and indexing research articles, journals, and conference proceedings, bibliographic services enhance the discoverability and visibility of scholarly work. This facilitates knowledge exchange, collaboration, and innovation within academic communities. Researchers can rely on bibliographic services to share their findings with a broader audience, fostering intellectual dialogue and advancing their respective fields.

In Summary, bibliographic services are immensely important in academia, research, and information management. They facilitate efficient analysis, aid in proper citation and referencing, preserve knowledge for future generations, and contribute to the dissemination of research. These services form the backbone of scholarly pursuits, enabling researchers, students, and professionals to access, utilize, and contribute to the vast wealth of knowledge available. As we continue to rely on information and research to drive progress and innovation, the significance of bibliographic services will only grow, making them indispensable resources in pursuing knowledge.

References:

  • Reddy, P. V. G. (1999). Bio bibliography of the faculty in social sciences departments of Sri Krishnadevaraya university Anantapur A P India.
  • Sharma, J.S. Fundamentals of Bibliography, New Delhi : S. Chand & Co.. Ltd.. 1977.  p.5.
  • Quoted in George Schneider, Theory of History of Bibliography. Ralph Robert Shaw, trans., New York : Scare Crow Press, 1934, p.13.
  • Funk Wagnalls Standard Dictionary of the English language – International ed – Vol. I – New York : Funku Wagnalls Co., C 1965, p. 135.
  • Shores, Louis. Basic reference sources. Chicago : American Library Association, 1954. p. 11-12.
  • Ranganathan, S.R., Documentation and its facts. Bombay : Asia Publishing House. 1963. p.49.
  • Katz, William A. Introduction to reference work. 4th ed. New York : McGraw Hill, 1982. V. 1, p.42.
  • Robinson, A.M.L. Systematic Bibliography. Bombay : Asia Publishing House, 1966. p.12.
  • Chakraborthi, M.L. Bibliography : In Theory and practice, Calcutta : The World press (P) Ltd.. 1975. p.343.

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National bibliography, bibliographic services.

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Harvard Guide to Using Sources 

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  • Bibliography

If you are using Chicago style footnotes or endnotes, you should include a bibliography at the end of your paper that provides complete citation information for all of the sources you cite in your paper. Bibliography entries are formatted differently from notes. For bibliography entries, you list the sources alphabetically by last name, so you will list the last name of the author or creator first in each entry. You should single-space within a bibliography entry and double-space between them. When an entry goes longer than one line, use a hanging indent of .5 inches for subsequent lines. Here’s a link to a sample bibliography that shows layout and spacing . You can find a sample of note format here .

Complete note vs. shortened note

Here’s an example of a complete note and a shortened version of a note for a book:

1. Karen Ho, Liquidated: An Ethnography of Wall Street (Durham: Duke University Press, 2009), 27-35.

1. Karen Ho, Liquidated , 27-35.

Note vs. Bibliography entry

The bibliography entry that corresponds with each note is very similar to the longer version of the note, except that the author’s last and first name are reversed in the bibliography entry. To see differences between note and bibliography entries for different types of sources, check this section of the Chicago Manual of Style .

For Liquidated , the bibliography entry would look like this:

Ho, Karen, Liquidated: An Ethnography of Wall Street . Durham: Duke University Press, 2009.

Citing a source with two or three authors

If you are citing a source with two or three authors, list their names in your note in the order they appear in the original source. In the bibliography, invert only the name of the first author and use “and” before the last named author.

1. Melissa Borja and Jacob Gibson, “Internationalism with Evangelical Characteristics: The Case of Evangelical Responses to Southeast Asian Refugees,” The Review of Faith & International Affairs 17, no. 3 (2019): 80-81, https://doi.org/10.1080/15570274.2019.1643983 .

Shortened note:

1. Borja and Gibson, “Internationalism with Evangelical Characteristics,” 80-81.

Bibliography:

Borja, Melissa, and Jacob Gibson. “Internationalism with Evangelical Characteristics: The Case of Evangelical Responses to Southeast Asian Refugees.” The Review of Faith & International Affairs 17. no. 3 (2019): 80–93. https://doi.org/10.1080/15570274.2019.1643983 .

Citing a source with more than three authors

If you are citing a source with more than three authors, include all of them in the bibliography, but only include the first one in the note, followed by et al. ( et al. is the shortened form of the Latin et alia , which means “and others”).

1. Justine M. Nagurney, et al., “Risk Factors for Disability After Emergency Department Discharge in Older Adults,” Academic Emergency Medicine 27, no. 12 (2020): 1271.

Short version of note:

1. Justine M. Nagurney, et al., “Risk Factors for Disability,” 1271.

Nagurney, Justine M., Ling Han, Linda Leo‐Summers, Heather G. Allore, Thomas M. Gill, and Ula Hwang. “Risk Factors for Disability After Emergency Department Discharge in Older Adults.” Academic Emergency Medicine 27, no. 12 (2020): 1270–78. https://doi.org/10.1111/acem.14088 .

Citing a book consulted online

If you are citing a book you consulted online, you should include a URL, DOI, or the name of the database where you found the book.

1. Karen Ho, Liquidated: An Ethnography of Wall Street (Durham: Duke University Press, 2009), 27-35, https://doi-org.ezp-prod1.hul.harvard.edu/10.1215/9780822391371 .

Bibliography entry:

Ho, Karen. Liquidated: An Ethnography of Wall Street . Durham: Duke University Press, 2009. https://doi-org.ezp-prod1.hul.harvard.edu/10.1215/9780822391371 .

Citing an e-book consulted outside of a database

If you are citing an e-book that you accessed outside of a database, you should indicate the format. If you read the book in a format without fixed page numbers (like Kindle, for example), you should not include the page numbers that you saw as you read. Instead, include chapter or section numbers, if possible.

1. Karen Ho, Liquidated: An Ethnography of Wall Street (Durham: Duke University Press, 2009), chap. 2, Kindle.

Ho, Karen. Liquidated: An Ethnography of Wall Street . Durham: Duke University Press, 2009. Kindle.

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Types of Documentation

Bibliographies and Source Lists

What is a bibliography.

A bibliography is a list of books and other source material that you have used in preparing a research paper. Sometimes these lists will include works that you consulted but did not cite specifically in your assignment. Consult the style guide required for your assignment to determine the specific title of your bibliography page as well as how to cite each source type. Bibliographies are usually placed at the end of your research paper.

What is an annotated bibliography?

A special kind of bibliography, the annotated bibliography, is often used to direct your readers to other books and resources on your topic. An instructor may ask you to prepare an annotated bibliography to help you narrow down a topic for your research assignment. Such bibliographies offer a few lines of information, typically 150-300 words, summarizing the content of the resource after the bibliographic entry.   

Example of Annotated Bibliographic Entry in MLA Style

Waddell, Marie L., Robert M. Esch, and Roberta R. Walker. The Art of Styling         Sentences: 20 Patterns for Success. 3rd ed. New York: Barron’s, 1993.         A comprehensive look at 20 sentence patterns and their variations to         teach students how to write effective sentences by imitating good style.

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Table of Contents: Online Guide to Writing

Chapter 1: College Writing

How Does College Writing Differ from Workplace Writing?

What Is College Writing?

Why So Much Emphasis on Writing?

Chapter 2: The Writing Process

Doing Exploratory Research

Getting from Notes to Your Draft

Introduction

Prewriting - Techniques to Get Started - Mining Your Intuition

Prewriting: Targeting Your Audience

Prewriting: Techniques to Get Started

Prewriting: Understanding Your Assignment

Rewriting: Being Your Own Critic

Rewriting: Creating a Revision Strategy

Rewriting: Getting Feedback

Rewriting: The Final Draft

Techniques to Get Started - Outlining

Techniques to Get Started - Using Systematic Techniques

Thesis Statement and Controlling Idea

Writing: Getting from Notes to Your Draft - Freewriting

Writing: Getting from Notes to Your Draft - Summarizing Your Ideas

Writing: Outlining What You Will Write

Chapter 3: Thinking Strategies

A Word About Style, Voice, and Tone

A Word About Style, Voice, and Tone: Style Through Vocabulary and Diction

Critical Strategies and Writing

Critical Strategies and Writing: Analysis

Critical Strategies and Writing: Evaluation

Critical Strategies and Writing: Persuasion

Critical Strategies and Writing: Synthesis

Developing a Paper Using Strategies

Kinds of Assignments You Will Write

Patterns for Presenting Information

Patterns for Presenting Information: Critiques

Patterns for Presenting Information: Discussing Raw Data

Patterns for Presenting Information: General-to-Specific Pattern

Patterns for Presenting Information: Problem-Cause-Solution Pattern

Patterns for Presenting Information: Specific-to-General Pattern

Patterns for Presenting Information: Summaries and Abstracts

Supporting with Research and Examples

Writing Essay Examinations

Writing Essay Examinations: Make Your Answer Relevant and Complete

Writing Essay Examinations: Organize Thinking Before Writing

Writing Essay Examinations: Read and Understand the Question

Chapter 4: The Research Process

Planning and Writing a Research Paper

Planning and Writing a Research Paper: Ask a Research Question

Planning and Writing a Research Paper: Cite Sources

Planning and Writing a Research Paper: Collect Evidence

Planning and Writing a Research Paper: Decide Your Point of View, or Role, for Your Research

Planning and Writing a Research Paper: Draw Conclusions

Planning and Writing a Research Paper: Find a Topic and Get an Overview

Planning and Writing a Research Paper: Manage Your Resources

Planning and Writing a Research Paper: Outline

Planning and Writing a Research Paper: Survey the Literature

Planning and Writing a Research Paper: Work Your Sources into Your Research Writing

Research Resources: Where Are Research Resources Found? - Human Resources

Research Resources: What Are Research Resources?

Research Resources: Where Are Research Resources Found?

Research Resources: Where Are Research Resources Found? - Electronic Resources

Research Resources: Where Are Research Resources Found? - Print Resources

Structuring the Research Paper: Formal Research Structure

Structuring the Research Paper: Informal Research Structure

The Nature of Research

The Research Assignment: How Should Research Sources Be Evaluated?

The Research Assignment: When Is Research Needed?

The Research Assignment: Why Perform Research?

Chapter 5: Academic Integrity

Academic Integrity

Giving Credit to Sources

Giving Credit to Sources: Copyright Laws

Giving Credit to Sources: Documentation

Giving Credit to Sources: Style Guides

Integrating Sources

Practicing Academic Integrity

Practicing Academic Integrity: Keeping Accurate Records

Practicing Academic Integrity: Managing Source Material

Practicing Academic Integrity: Managing Source Material - Paraphrasing Your Source

Practicing Academic Integrity: Managing Source Material - Quoting Your Source

Practicing Academic Integrity: Managing Source Material - Summarizing Your Sources

Types of Documentation: Bibliographies and Source Lists

Types of Documentation: Citing World Wide Web Sources

Types of Documentation: In-Text or Parenthetical Citations

Types of Documentation: In-Text or Parenthetical Citations - APA Style

Types of Documentation: In-Text or Parenthetical Citations - CSE/CBE Style

Types of Documentation: In-Text or Parenthetical Citations - Chicago Style

Types of Documentation: In-Text or Parenthetical Citations - MLA Style

Types of Documentation: Note Citations

Chapter 6: Using Library Resources

Finding Library Resources

Chapter 7: Assessing Your Writing

How Is Writing Graded?

How Is Writing Graded?: A General Assessment Tool

The Draft Stage

The Draft Stage: The First Draft

The Draft Stage: The Revision Process and the Final Draft

The Draft Stage: Using Feedback

The Research Stage

Using Assessment to Improve Your Writing

Chapter 8: Other Frequently Assigned Papers

Reviews and Reaction Papers: Article and Book Reviews

Reviews and Reaction Papers: Reaction Papers

Writing Arguments

Writing Arguments: Adapting the Argument Structure

Writing Arguments: Purposes of Argument

Writing Arguments: References to Consult for Writing Arguments

Writing Arguments: Steps to Writing an Argument - Anticipate Active Opposition

Writing Arguments: Steps to Writing an Argument - Determine Your Organization

Writing Arguments: Steps to Writing an Argument - Develop Your Argument

Writing Arguments: Steps to Writing an Argument - Introduce Your Argument

Writing Arguments: Steps to Writing an Argument - State Your Thesis or Proposition

Writing Arguments: Steps to Writing an Argument - Write Your Conclusion

Writing Arguments: Types of Argument

Appendix A: Books to Help Improve Your Writing

Dictionaries

General Style Manuals

Researching on the Internet

Special Style Manuals

Writing Handbooks

Appendix B: Collaborative Writing and Peer Reviewing

Collaborative Writing: Assignments to Accompany the Group Project

Collaborative Writing: Informal Progress Report

Collaborative Writing: Issues to Resolve

Collaborative Writing: Methodology

Collaborative Writing: Peer Evaluation

Collaborative Writing: Tasks of Collaborative Writing Group Members

Collaborative Writing: Writing Plan

General Introduction

Peer Reviewing

Appendix C: Developing an Improvement Plan

Working with Your Instructor’s Comments and Grades

Appendix D: Writing Plan and Project Schedule

Devising a Writing Project Plan and Schedule

Reviewing Your Plan with Others

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What Is a Bibliography?

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A bibliography is a list of books, scholarly  articles , speeches, private records, diaries, interviews, laws, letters, websites, and other sources you use when researching a topic and writing a paper. The bibliography appears at the end.

The main purpose of a bibliography entry is to give credit to authors whose work you've consulted in your research. It also makes it easy for a reader to find out more about your topic by delving into the research that you used to write your paper. In the academic world, papers aren't written in a vacuum; academic journals are the way new research on a topic circulates and previous work is built upon.

Bibliography entries must be written in a very specific format, but that format will depend on the particular style of writing you follow. Your teacher or publisher will tell you which style to use, and for most academic papers it will be either MLA , American Psychological Association (APA), Chicago (author-date citations or footnotes/endnotes format), or Turabian style .

The bibliography is sometimes also called the references, works cited, or works consulted page.

Components of a Bibliography Entry

Bibliography entries will compile:

  • Authors and/or editors (and translator, if applicable)
  • Title of your source (as well as edition, volume, and the book title if your source is a chapter or article in a multi-author book with an editor)
  • Publication information (the city, state, name of the publisher, date published, page numbers consulted, and URL or DOI, if applicable)
  • Access date, in the case of online sources (check with the style guide at the beginning of your research as to whether you need to track this information)

Order and Formatting

Your entries should be listed in alphabetical order by the last name of the first author. If you are using two publications that are written by the same author, the order and format will depend on the style guide.

In MLA, Chicago, and Turabian style, you should list the duplicate-author entries in alphabetical order according to the title of the work. The author's name is written as normal for his or her first entry, but for the second entry, you will replace the author's name with three long dashes. 

In APA style, you list the duplicate-author entries in chronological order of publication, placing the earliest first. The name of the author is used for all entries.

For works with more than one author, styles vary as to whether you invert the name of any authors after the first. Whether you use title casing or sentence-style casing on titles of sources, and whether you separate elements with commas or periods also varies among different style guides. Consult the guide's manual for more detailed information.

Bibliography entries are usually formatted using a hanging indent. This means that the first line of each citation is not indented, but subsequent lines of each citation are indented. Check with your instructor or publication to see if this format is required, and look up information in your word processor's help program if you do not know how to create a hanging indent with it.

Chicago's Bibliography vs. Reference System

Chicago has two different ways of citing works consulted: using a bibliography or a references page. Use of a bibliography or a references page depends on whether you're using author-date parenthetical citations in the paper or footnotes/endnotes. If you're using parenthetical citations, then you'll follow the references page formatting. If you're using footnotes or endnotes, you'll use a bibliography. The difference in the formatting of entries between the two systems is the location of the date of the cited publication. In a bibliography, it goes at the end of an entry. In a references list in the author-date style, it goes right after the author's name, similar to APA style.

  • What Is a Citation?
  • What Is a Senior Thesis?
  • Bibliography: Definition and Examples
  • Formatting Papers in Chicago Style
  • Turabian Style Guide With Examples
  • MLA Bibliography or Works Cited
  • How to Write a Bibliography For a Science Fair Project
  • APA In-Text Citations
  • MLA Sample Pages
  • How to Use Block Quotations in Writing
  • Writing a History Book Review
  • Definition of Appendix in a Book or Written Work
  • MLA Style Parenthetical Citations
  • Tips for Typing an Academic Paper on a Computer
  • Title Page Examples and Formats
  • Formatting APA Headings and Subheadings
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How To Write a Bibliography (Three Styles, Plus Examples)

Give credit where credit is due.

Text that says Bibliography Writing Guide with WeAreTeachers logo on dark gray background as a tool to help students understand how to write a bibliography

Writing a research paper involves a lot of work. Students need to consult a variety of sources to gather reliable information and ensure their points are well supported. Research papers include a bibliography, which can be a little tricky for students. Learn how to write a bibliography in multiple styles and find basic examples below.

IMPORTANT: Each style guide has its own very specific rules, and they often conflict with one another. Additionally, each type of reference material has many possible formats, depending on a variety of factors. The overviews shown here are meant to guide students in writing basic bibliographies, but this information is by no means complete. Students should always refer directly to the preferred style guide to ensure they’re using the most up-to-date formats and styles.

What is a bibliography?

When you’re researching a paper, you’ll likely consult a wide variety of sources. You may quote some of these directly in your work, summarize some of the points they make, or simply use them to further the knowledge you need to write your paper. Since these ideas are not your own, it’s vital to give credit to the authors who originally wrote them. This list of sources, organized alphabetically, is called a bibliography.

A bibliography should include all the materials you consulted in your research, even if you don’t quote directly from them in your paper. These resources could include (but aren’t limited to):

  • Books and e-books
  • Periodicals like magazines or newspapers
  • Online articles or websites
  • Primary source documents like letters or official records

Bibliography vs. References

These two terms are sometimes used interchangeably, but they actually have different meanings. As noted above, a bibliography includes all the materials you used while researching your paper, whether or not you quote from them or refer to them directly in your writing.

A list of references only includes the materials you cite throughout your work. You might use direct quotes or summarize the information for the reader. Either way, you must ensure you give credit to the original author or document. This section can be titled “List of Works Cited” or simply “References.”

Your teacher may specify whether you should include a bibliography or a reference list. If they don’t, consider choosing a bibliography, to show all the works you used in researching your paper. This can help the reader see that your points are well supported, and allow them to do further reading on their own if they’re interested.

Bibliography vs. Citations

Citations refer to direct quotations from a text, woven into your own writing. There are a variety of ways to write citations, including footnotes and endnotes. These are generally shorter than the entries in a reference list or bibliography. Learn more about writing citations here.

What does a bibliography entry include?

Depending on the reference material, bibliography entries include a variety of information intended to help a reader locate the material if they want to refer to it themselves. These entries are listed in alphabetical order, and may include:

  • Author/s or creator/s
  • Publication date
  • Volume and issue numbers
  • Publisher and publication city
  • Website URL

These entries don’t generally need to include specific page numbers or locations within the work (except for print magazine or journal articles). That type of information is usually only needed in a footnote or endnote citation.

What are the different bibliography styles?

In most cases, writers use one of three major style guides: APA (American Psychological Association), MLA (Modern Language Association), or The Chicago Manual of Style . There are many others as well, but these three are the most common choices for K–12 students.

Many teachers will state their preference for one style guide over another. If they don’t, you can choose your own preferred style. However, you should also use that guide for your entire paper, following their recommendations for punctuation, grammar, and more. This will ensure you are consistent throughout.

Below, you’ll learn how to write a simple bibliography using each of the three major style guides. We’ve included details for books and e-books, periodicals, and electronic sources like websites and videos. If the reference material type you need to include isn’t shown here, refer directly to the style guide you’re using.

APA Style Bibliography and Examples

APA style example of a References bibliography page

Source: Verywell Mind

Technically, APA style calls for a list of references instead of a bibliography. If your teacher requires you to use the APA style guide , you can limit your reference list only to items you cite throughout your work.

How To Write a Bibliography (References) Using APA Style

Here are some general notes on writing an APA reference list:

  • Title your bibliography section “References” and center the title on the top line of the page.
  • Do not center your references; they should be left-aligned. For longer items, subsequent lines should use a hanging indent of 1/2 inch.
  • Include all types of resources in the same list.
  • Alphabetize your list by author or creator, last name first.
  • Do not spell out the author/creator’s first or middle name; only use their initials.
  • If there are multiple authors/creators, use an ampersand (&) before the final author/creator.
  • Place the date in parentheses.
  • Capitalize only the first word of the title and subtitle, unless the word would otherwise be capitalized (proper names, etc.).
  • Italicize the titles of books, periodicals, or videos.
  • For websites, include the full site information, including the http:// or https:// at the beginning.

Books and E-Books APA Bibliography Examples

For books, APA reference list entries use this format (only include the publisher’s website for e-books).

Last Name, First Initial. Middle Initial. (Publication date). Title with only first word capitalized . Publisher. Publisher’s website

  • Wynn, S. (2020). City of London at war 1939–45 . Pen & Sword Military. https://www.pen-and-sword.co.uk/City-of-London-at-War-193945-Paperback/p/17299

Periodical APA Bibliography Examples

For journal or magazine articles, use this format. If you viewed the article online, include the URL at the end of the citation.

Last Name, First Initial. Middle Initial. (Publication date). Title of article. Magazine or Journal Title (Volume number) Issue number, page numbers. URL

  • Bell, A. (2009). Landscapes of fear: Wartime London, 1939–1945. Journal of British Studies (48) 1, 153–175. https://www.jstor.org/stable/25482966

Here’s the format for newspapers. For print editions, include the page number/s. For online articles, include the full URL.

Last Name, First Initial. Middle Initial. (Year, Month Date) Title of article. Newspaper title. Page number/s. URL

  • Blakemore, E. (2022, November 12) Researchers track down two copies of fossil destroyed by the Nazis.  The Washington Post. https://www.washingtonpost.com/science/2022/11/12/ichthyosaur-fossil-images-discovered/

Electronic APA Bibliography Examples

For articles with a specific author on a website, use this format.

Last Name, First Initial. Middle Initial. (Year, Month Date). Title . Site name. URL

  • Wukovits, J. (2023, January 30). A World War II survivor recalls the London Blitz . British Heritage . https://britishheritage.com/history/world-war-ii-survivor-london-blitz

When an online article doesn’t include a specific author or date, list it like this:

Title . (Year, Month Date). Site name. Retrieved Month Date, Year, from URL

  • Growing up in the Second World War . (n.d.). Imperial War Museums. Retrieved May 12, 2023, from https://www.iwm.org.uk/history/growing-up-in-the-second-world-war

When you need to list a YouTube video, use the name of the account that uploaded the video, and format it like this:

Name of Account. (Upload year, month day). Title [Video]. YouTube. URL

  • War Stories. (2023, January 15). How did London survive the Blitz during WW2? | Cities at war: London | War stories [Video]. YouTube. https://youtu.be/uwY6JlCvbxc

For more information on writing APA bibliographies, see the APA Style Guide website.

APA Bibliography (Reference List) Example Pages

An APA-style Reference List bibliography example page

Source: Simply Psychology

More APA example pages:

  • Western Australia Library Services APA References Example Page
  • Ancilla College APA References Page Example
  • Scribbr APA References Page Example

MLA Style Bibliography Examples

Diagram of MLA style bibliography entries

Source: PressBooks

MLA style calls for a Works Cited section, which includes all materials quoted or referred to in your paper. You may also include a Works Consulted section, including other reference sources you reviewed but didn’t directly cite. Together, these constitute a bibliography. If your teacher requests an MLA Style Guide bibliography, ask if you should include Works Consulted as well as Works Cited.

How To Write a Bibliography (Works Cited and Works Consulted) in MLA Style

For both MLA Works Cited and Works Consulted sections, use these general guidelines:

  • Start your Works Cited list on a new page. If you include a Works Consulted list, start that on its own new page after the Works Cited section.
  • Center the title (Works Cited or Works Consulted) in the middle of the line at the top of the page.
  • Align the start of each source to the left margin, and use a hanging indent (1/2 inch) for the following lines of each source.
  • Alphabetize your sources using the first word of the citation, usually the author’s last name.
  • Include the author’s full name as listed, last name first.
  • Capitalize titles using the standard MLA format.
  • Leave off the http:// or https:// at the beginning of a URL.

Books and E-Books MLA Bibliography Examples

For books, MLA reference list entries use this format. Add the URL at the end for e-books.

Last Name, First Name Middle Name. Title . Publisher, Date. URL

  • Wynn, Stephen. City of London at War 1939–45 . Pen & Sword Military, 2020. www.pen-and-sword.co.uk/City-of-London-at-War-193945-Paperback/p/17299

Periodical MLA Bibliography Examples

Here’s the style format for magazines, journals, and newspapers. For online articles, add the URL at the end of the listing.

For magazines and journals:

Last Name, First Name. “Title: Subtitle.” Name of Journal , volume number, issue number, Date of Publication, First Page Number–Last Page Number.

  • Bell, Amy. “Landscapes of Fear: Wartime London, 1939–1945.” Journal of British Studies , vol. 48, no. 1, pp. 153–175. www.jstor.org/stable/25482966

When citing newspapers, include the page number/s for print editions or the URL for online articles.

Last Name, First Name. “Title of article.” Newspaper title. Page number/s. Year, month day. Page number or URL

  • Blakemore, Erin. “Researchers Track Down Two Copies of Fossil Destroyed by the Nazis.” The Washington Post. 2022, Nov. 12. www.washingtonpost.com/science/2022/11/12/ichthyosaur-fossil-images-discovered/

Electronic MLA Bibliography Examples

Last Name, First Name. Year. “Title.” Month Day, Year published. URL

  • Wukovits, John. 2023. “A World War II Survivor Recalls the London Blitz.” January 30,   2023. https://britishheritage.com/history/world-war-ii-survivor-london-blitz

Website. n.d. “Title.” Accessed Day Month Year. URL.

  • Imperial War Museum. n.d. “Growing Up in the Second World War.” Accessed May 9, 2023. https://www.iwm.org.uk/history/growing-up-in-the-second-world-war.

Here’s how to list YouTube and other online videos.

Creator, if available. “Title of Video.” Website. Uploaded by Username, Day Month Year. URL.

  • “How did London survive the Blitz during WW2? | Cities at war: London | War stories.” YouTube . Uploaded by War Stories, 15 Jan. 2023. youtu.be/uwY6JlCvbxc.

For more information on writing MLA style bibliographies, see the MLA Style website.

MLA Bibliography (Works Cited) Example Pages

A bibliography example page with notes, written in MLA style

Source: The Visual Communication Guy

More MLA example pages:

  • Writing Commons Sample Works Cited Page
  • Scribbr MLA Works Cited Sample Page
  • Montana State University MLA Works Cited Page

Chicago Manual of Style Bibliography Examples

The Chicago Manual of Style (sometimes called “Turabian”) actually has two options for citing reference material : Notes and Bibliography and Author-Date. Regardless of which you use, you’ll need a complete detailed list of reference items at the end of your paper. The examples below demonstrate how to write that list.

How To Write a Bibliography Using The Chicago Manual of Style

A diagram of a book bibliography entry for the Chicago Manual of Style

Source: South Texas College

Here are some general notes on writing a Chicago -style bibliography:

  • You may title it “Bibliography” or “References.” Center this title at the top of the page and add two blank lines before the first entry.
  • Left-align each entry, with a hanging half-inch indent for subsequent lines of each entry.
  • Single-space each entry, with a blank line between entries.
  • Include the “http://” or “https://” at the beginning of URLs.

Books and E-Books Chicago Manual of Style Bibliography Examples

For books, Chicago -style reference list entries use this format. (For print books, leave off the information about how the book was accessed.)

Last Name, First Name Middle Name. Title . City of Publication: Publisher, Date. How e-book was accessed.

  • Wynn, Stephen. City of London at War 1939–45 . Yorkshire: Pen & Sword Military, 2020. Kindle edition.

Periodical Chicago Manual of Style Bibliography Examples

For journal and magazine articles, use this format.

Last Name, First Name. Year of Publication. “Title: Subtitle.” Name of Journal , Volume Number, issue number, First Page Number–Last Page Number. URL.

  • Bell, Amy. 2009. “Landscapes of Fear: Wartime London, 1939–1945.” Journal of British Studies, 48 no. 1, 153–175. https://www.jstor.org/stable/25482966.

When citing newspapers, include the URL for online articles.

Last Name, First Name. Year of Publication. “Title: Subtitle.” Name of Newspaper , Month day, year. URL.

  • Blakemore, Erin. 2022. “Researchers Track Down Two Copies of Fossil Destroyed by the Nazis.” The Washington Post , November 12, 2022. https://www.washingtonpost.com/science/2022/11/12/ichthyosaur-fossil-images-discovered/.

Electronic Chicago Manual of Style Bibliography Examples

Last Name, First Name Middle Name. “Title.” Site Name . Year, Month Day. URL.

  • Wukovits, John. “A World War II Survivor Recalls the London Blitz.” British Heritage. 2023, Jan. 30. britishheritage.com/history/world-war-ii-survivor-london-blitz.

“Title.” Site Name . URL. Accessed Day Month Year.

  • “Growing Up in the Second World War.” Imperial War Museums . www.iwm.org.uk/history/growing-up-in-the-second-world-war. Accessed May 9, 2023.

Creator or Username. “Title of Video.” Website video, length. Month Day, Year. URL.

  • War Stories. “How Did London Survive the Blitz During WW2? | Cities at War: London | War Stories.” YouTube video, 51:25. January 15, 2023. https://youtu.be/uwY6JlCvbxc.

For more information on writing Chicago -style bibliographies, see the Chicago Manual of Style website.

Chicago Manual of Style Bibliography Example Pages

A page showing an example of a bibliography using the Chicago Manual of Style

Source: Chicago Manual of Style

More Chicago example pages:

  • Scribbr Chicago Style Bibliography Example
  • Purdue Online Writing Lab CMOS Bibliography Page
  • Bibcitation Sample Chicago Bibliography

Now that you know how to write a bibliography, take a look at the Best Websites for Teaching & Learning Writing .

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Inhaltsverzeichnis

  • 1 Definition: Bibliography
  • 4 In a Nutshell

Definition: Bibliography

Bibliography is a term used to describe the study of books and cultural objects with the intent of achieving an academic purpose. It is also described as a discipline that entails the listing of books in an organized manner, also known as enumerative bibliography, or the systematic manner of describing books similar to objects, a descriptive bibliography that forms the literature of a subject under study.

What is bibliography?

A bibliography (not to be confused with the works cited ) generally entails the listing of books, articles, journals, cultural objects and other study materials used to compose a piece of academic writing or literary work. It is essentially a list of sources used (both referenced in-text and otherwise) in writing a research paper.

What is the difference between bibliographies and a works cited page?

The two may seem similar since they share characteristics, such as the basic structure and the alphabetical arrangement of entries. All of the cited works of authors and all other works consulted by the author, despite not being directly mentioned in the text, are required in a bibliography. On the other hand, only the sources that you referred to have to be included in the works cited . This means that if the author did some selective reading, then all of the source information needs to be included in the bibliography, but not the works cited.

What information should be included in a bibliography?

Good bibliographies should include the following: • The authors’ names • Title of the books, works or objects referred to in the research paper or thesis. • Date of publication • Names of publishers and their locations • If there were multiple volumes in a given source volume, then page number(s) must be included

The exact method and formatting required, will depend on the referencing style that your institution uses.

What are the different types of bibliographies?

There are three main types of bibliographies. Check with your institution which method you’re required to use. This may depend on the referencing and citation style you’re using, as well as your field of research.

Analytical:  Includes any information and new insights that come to light as the book or research paper progresses.

Annotated:  Provides an outline of the research that was conducted and comments on individual sources.

Enumerative: A list of sources in a specific order.

Areas of Application for Bibliographies

Bibliographies are commonly used in a sentence. They are also used in projects and for answering the research question . While citing this bibliography, the writer needs to give all the references.

Different Kinds of Bibliographies

Bibliographies are classified according to the style or the way of listing the sources. There are three common types of bibliography:

  • Analytical bibliography
  • Enumerative bibliography
  • Annotated bibliography

Analytical bibliography:

Analytical bibliographies include information concerning the booksellers and printers, paper and binding descriptions, and any insights that unfold as a book evolved from a manuscript to a published book. This can be further subdivided into a descriptive bibliography concerned with the physical appearance and nature of a book, a textual bibliography which compares the already published work to the author’s original manuscript, and lastly, a historical bibliography that shows the context of the production of the book.

Annotated bibliography:

Annotated bibliographies show the source of writer’s creation, in alphabetical order. This type of bibliography lists a series of tasks that were done by the author of the paper. They provide an outline of what kind of research was done on a given chapter, the addition of notes about the source, comments on and a summary of the source, an assessment of the source whereby the usefulness of the source is evaluated, and reflections on the source which provide a perspective on the usefulness of the text with respect to the research question .

Enumerative bibliography:

Students writing research papers commonly use enumerative bibliography. Here, the writer lists all the references considering some specific arrangements. For example, an author starts with the subject then lastly dates items listed. They share common characteristics such as language, topic or period of time. Information concerning the source is then given by the writer so as to provide directions to the readers towards the source. An example of this bibliography is a card catalogue.

GOOD TO KNOW: Read our article about  referencing & citation styles to find out how to write a perfect bibliography!

Monographs are books that address a particular topic. An example of a bibliography citing such books is as follows:

Danny Irvings, E.U. (2016). Diet and body control. Amsterdam: Mindset publishers.

When writing bibliographies of edited books, the writer should note that when highlighting a chapter, the word ‘in’ must be placed before the editor’s name. For example: In Heisten D.Y. & Thompson G.E. (Eds.), (2014). Human biology of physical existence. Hurlingham, GN: University Of California Press.

When tackling bibliography citations of internet sources and scientific journals, the writer has to consider the steps highlighted earlier when listing the contents of a bibliography: John Saynard, Psychology for The Need, retrieved from http://www.sharing.com/online sources/news and livelihood/psychology/words/2007/.

APA Bibliography Format

In writing bibliographies using APA format ( APA Citation ), the following steps need to be observed:

  • It should be done at the end of the paper on a new page, entitled ‘References’ with center-alignment
  • The author’s name must be listed; if there is more than one author, the names are separated with an ampersand.
  • Show the publication date, the title of the source, the publisher’s location, and their name. For example: Peterson, D. (1992). The creators: A history of the heroes of imagination. New York: Random House.
  • For online sources, start with the author’s name, followed by the publication date, the title of the article or journal, volume number, month, day, year of retrieval, and lastly the full URL. For example: Raids, g. (2007, July 3). Lightning injures at music festivals. The why? Files. Retrieved February 23, 2007, 2006 from http://whyfiles.org/137lighting/index.html.

MLA Bibliography Format

  • When writing monographs using MLA, the bibliography appears in this format: Litfin, Karen. “Introduction to Political Economy.” Political Science 203. The University of Washington. Seattle, 16 October 2000.
  • The following is an example of citing edited books, especially those with more than one author: Druin, Allison, and Solomon, Cynthia. Designing Multimedia Environments for Children. J. Wiley & Sons, 1996.
  • Online sources or scientific articles using the MLA bibliography citation format are cited as follows: National Weather Service, National Oceanic and Atmospheric Administration, http://www.weather.gov/.

Ireland

In a Nutshell

  • A bibliography is a series of activities involving the listing of books, sources, journals, or articles, with the primary objective of providing a concise literature review.
  • The main areas in which a bibliography is used include academic works such as research papers, proposals, reflection or even sentences.
  • Bibliographies may be divided into two categories: the APA citation and MLA citations, which in turn contain the different bibliography types. These include analytical bibliographies, enumerative bibliographies, and lastly, annotated bibliographies.

It is therefore advisable for both college and university students to be clear on what bibliographies entail and be able to apply the skills gained from this discipline so as to help avoid plagiarism.

James B McMillan, Michael B Montgomery. Annotated Bibliography of Southern American English University of Alabama Press, 2018 Marjorie Powell, Joseph W Beard. An annotated bibliography and guide to research Routledge, 2018

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  • Harvard Style Bibliography | Format & Examples

Harvard Style Bibliography | Format & Examples

Published on 1 May 2020 by Jack Caulfield . Revised on 7 November 2022.

In Harvard style , the bibliography or reference list provides full references for the sources you used in your writing.

  • A reference list consists of entries corresponding to your in-text citations .
  • A bibliography sometimes also lists sources that you consulted for background research, but did not cite in your text.

The two terms are sometimes used interchangeably. If in doubt about which to include, check with your instructor or department.

The information you include in a reference varies depending on the type of source, but it usually includes the author, date, and title of the work, followed by details of where it was published. You can automatically generate accurate references using our free reference generator:

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Table of contents

Formatting a harvard style bibliography, harvard reference examples, referencing sources with multiple authors, referencing sources with missing information, frequently asked questions about harvard bibliographies.

Sources are alphabetised by author last name. The heading ‘Reference list’ or ‘Bibliography’ appears at the top.

Each new source appears on a new line, and when an entry for a single source extends onto a second line, a hanging indent is used:

Harvard bibliography

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Reference list or bibliography entries always start with the author’s last name and initial, the publication date and the title of the source. The other information required varies depending on the source type. Formats and examples for the most common source types are given below.

  • Entire book
  • Book chapter
  • Translated book
  • Edition of a book

Journal articles

  • Print journal
  • Online-only journal with DOI
  • Online-only journal without DOI
  • General web page
  • Online article or blog
  • Social media post

Newspapers and magazines

  • Newspaper article
  • Magazine article

When a source has up to three authors, list all of them in the order their names appear on the source. If there are four or more, give only the first name followed by ‘ et al. ’:

Sometimes a source won’t list all the information you need for your reference. Here’s what to do when you don’t know the publication date or author of a source.

Some online sources, as well as historical documents, may lack a clear publication date. In these cases, you can replace the date in the reference list entry with the words ‘no date’. With online sources, you still include an access date at the end:

When a source doesn’t list an author, you can often list a corporate source as an author instead, as with ‘Scribbr’ in the above example. When that’s not possible, begin the entry with the title instead of the author:

Though the terms are sometimes used interchangeably, there is a difference in meaning:

  • A reference list only includes sources cited in the text – every entry corresponds to an in-text citation .
  • A bibliography also includes other sources which were consulted during the research but not cited.

In Harvard referencing, up to three author names are included in an in-text citation or reference list entry. When there are four or more authors, include only the first, followed by ‘ et al. ’

In Harvard style referencing , to distinguish between two sources by the same author that were published in the same year, you add a different letter after the year for each source:

  • (Smith, 2019a)
  • (Smith, 2019b)

Add ‘a’ to the first one you cite, ‘b’ to the second, and so on. Do the same in your bibliography or reference list .

To create a hanging indent for your bibliography or reference list :

  • Highlight all the entries
  • Click on the arrow in the bottom-right corner of the ‘Paragraph’ tab in the top menu.
  • In the pop-up window, under ‘Special’ in the ‘Indentation’ section, use the drop-down menu to select ‘Hanging’.
  • Then close the window with ‘OK’.

Cite this Scribbr article

If you want to cite this source, you can copy and paste the citation or click the ‘Cite this Scribbr article’ button to automatically add the citation to our free Reference Generator.

Caulfield, J. (2022, November 07). Harvard Style Bibliography | Format & Examples. Scribbr. Retrieved 22 February 2024, from https://www.scribbr.co.uk/referencing/harvard-bibliography/

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What is a bibliography?

What is a bibliography?

What is a bibliography? In this post, we discuss what a bibliography is and how to build one. We also cover different types of bibliographies and how to know which one is appropriate for your specific project.

A bibliography is a complete list of the sources that you consulted and cited for your paper. It contains full bibliographic references that include various components depending of the type of source.

For instance, a reference for book source typically contains the author’s name, the title of the work, and publication information, like the date when the work was published. References for journal articles contain additional information like volume and issue number.

The term, “bibliography,” refers both to a general list of cited and consulted sources, but also to a specific type of list that is preferred by citation styles like Chicago . MLA style calls bibliographies “Works Cited,” while APA style prefers the term, “References.”

Before you create your bibliography, you should always check with your instructor to find out which citation style is required. This will determine whether you call your bibliography a “Bibliography,” “Works Cited,” or “References.”

How do you create a bibliography?

All bibliographic references have similar components, no matter what style you’re using to create your bibliography:

  • Book references always contain the author’s name, the title of the book, the publisher, and the publication date.
  • Journal article references also contain the author’s name, the title of the work, and the date, but also include the title of the journal, the volume and issue number where the article was found, and the page range. Journal articles found online should also include the DOI.
  • Website references should feature the author’s name (if one is available), the title of the website, the date that is was published or accessed, and the URL.

To create the most accurate references for your bibliography, use BibGuru’s citation generator . You can create bibliographic citations for more than 50 source types in all of the major citation styles.

The BibGuru browser extension for Chrome and Edge can also help you instantly generate citations for online sources. Correct citations help you avoid plagiarism .

What are the different types of bibliographies?

There are two primary types of bibliographies: a traditional bibliography that simply lists the sources that you cited and/or consulted while writing your paper and an annotated bibliography , in which you include brief explanations of the content of each source and why it is important to your research.

Most annotated bibliographies include the following for each entry:

  • A full bibliographic citation
  • A summary of the scope of the source
  • A brief summary of the source’s main argument
  • An evaluation of the work’s credibility and usefulness
  • A brief discussion of possible limitations of the source

Most annotations range between 100 and 300 words. Ultimately, the specific contents of your annotated bibliography will depend on the requirements of your assignment.

Bibliography example

A typical bibliography in Chicago style will look like this:

Bibliography

Grazer, Brian, and Charles Fishman.  A Curious Mind: The Secret to a Bigger Life.  New York: Simon & Schuster, 2015.

Keng, Shao-Hsun, Chun-Hung Lin, and Peter F. Orazem. “Expanding College Access in Taiwan, 1978–2014: Effects on Graduate Quality and Income Inequality.”  Journal of Human Capital  11, no. 1 (Spring 2017): 1–34. https://doi.org/10.1086/690235.

Lahiri, Jhumpa.  In Other Words . Translated by Ann Goldstein. New York: Alfred A. Knopf, 2016.

LaSalle, Peter. “Conundrum: A Story about Reading.”  New England Review  38, no. 1 (2017): 95–109. Project MUSE.

Satterfield, Susan. “Livy and the  Pax Deum .”  Classical Philology  111, no. 2 (April 2016): 165–76.

Smith, Zadie.  Swing Time . New York: Penguin Press, 2016.

Thoreau, Henry David. “Walking.” In  The Making of the American Essay , edited by John D’Agata, 167–95. Minneapolis: Graywolf Press, 2016.

An entry for an annotated bibliography in Chicago style will look like this:

Davidson, Hilda Ellis.  Roles of the Northern Goddess.  London: Routledge, 1998.

Davidson's book provides a thorough examination of Northern Europe's major roles associated with several pagan goddesses. Some roles in everyday life include agriculture, hunting, domestic art like weaving, and death. In this book, the author discusses relevant archaeological evidence, previous research, and patterns of rituals and symbols. The book includes several photographs of relevant artifacts.

Frequently Asked Questions about what is a bibliography

A bibliography contains full references for all the works that you cited or consulted for your paper.

Yes. A bibliography contains references for the works you cited or consulted for your paper. Some citation styles, like Chicago , use the term “bibliography” to describe this list, while others, like APA , use “references.”

To write a bibliography, you first need to know what citation style is required for your paper. Then, you will build entries for all of the works that you cited or consulted for your paper. These entries typically contain the author’s name, the title of the work, the publisher, and the publication date.

The most common styles for bibliographies are MLA , APA , Chicago , and Harvard .

No. Typically, a works cited only contains the sources that you specifically cited in your paper. A bibliography generally features both the works you cited and any sources that you consulted during the course of your research.

What is an annotated bibliography

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What is a Bibliography?

What is an annotated bibliography, introduction to the annotated bibliography.

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  • the authors' names
  • the titles of the works
  • the names and locations of the companies that published your copies of the sources
  • the dates your copies were published
  • the page numbers of your sources (if they are part of multi-source volumes)

Ok, so what's an Annotated Bibliography?

An annotated bibliography is the same as a bibliography with one important difference: in an annotated bibliography, the bibliographic information is followed by a brief description of the content, quality, and usefulness of the source. For more, see the section at the bottom of this page.

What are Footnotes?

Footnotes are notes placed at the bottom of a page. They cite references or comment on a designated part of the text above it. For example, say you want to add an interesting comment to a sentence you have written, but the comment is not directly related to the argument of your paragraph. In this case, you could add the symbol for a footnote. Then, at the bottom of the page you could reprint the symbol and insert your comment. Here is an example:

This is an illustration of a footnote. 1 The number “1” at the end of the previous sentence corresponds with the note below. See how it fits in the body of the text? 1 At the bottom of the page you can insert your comments about the sentence preceding the footnote.

When your reader comes across the footnote in the main text of your paper, he or she could look down at your comments right away, or else continue reading the paragraph and read your comments at the end. Because this makes it convenient for your reader, most citation styles require that you use either footnotes or endnotes in your paper. Some, however, allow you to make parenthetical references (author, date) in the body of your work.

Footnotes are not just for interesting comments, however. Sometimes they simply refer to relevant sources -- they let your reader know where certain material came from, or where they can look for other sources on the subject. To decide whether you should cite your sources in footnotes or in the body of your paper, you should ask your instructor or see our section on citation styles.

Where does the little footnote mark go?

Whenever possible, put the footnote at the end of a sentence, immediately following the period or whatever punctuation mark completes that sentence. Skip two spaces after the footnote before you begin the next sentence. If you must include the footnote in the middle of a sentence for the sake of clarity, or because the sentence has more than one footnote (try to avoid this!), try to put it at the end of the most relevant phrase, after a comma or other punctuation mark. Otherwise, put it right at the end of the most relevant word. If the footnote is not at the end of a sentence, skip only one space after it.

What's the difference between Footnotes and Endnotes?

The only real difference is placement -- footnotes appear at the bottom of the relevant page, while endnotes all appear at the end of your document. If you want your reader to read your notes right away, footnotes are more likely to get your reader's attention. Endnotes, on the other hand, are less intrusive and will not interrupt the flow of your paper.

If I cite sources in the Footnotes (or Endnotes), how's that different from a Bibliography?

Sometimes you may be asked to include these -- especially if you have used a parenthetical style of citation. A "works cited" page is a list of all the works from which you have borrowed material. Your reader may find this more convenient than footnotes or endnotes because he or she will not have to wade through all of the comments and other information in order to see the sources from which you drew your material. A "works consulted" page is a complement to a "works cited" page, listing all of the works you used, whether they were useful or not.

Isn't a "works consulted" page the same as a "bibliography," then?

Well, yes. The title is different because "works consulted" pages are meant to complement "works cited" pages, and bibliographies may list other relevant sources in addition to those mentioned in footnotes or endnotes. Choosing to title your bibliography "Works Consulted" or "Selected Bibliography" may help specify the relevance of the sources listed.

This information has been freely provided by plagiarism.org and can be reproduced without the need to obtain any further permission as long as the URL of the original article/information is cited. 

How Do I Cite Sources? (n.d.) Retrieved October 19, 2009, from http://www.plagiarism.org/plag_article_how_do_i_cite_sources.html

The Importance of an Annotated Bibliography

An Annotated Bibliography is a collection of annotated citations. These annotations contain your executive notes on a source. Use the annotated bibliography to help remind you of later of the important parts of an article or book. Putting the effort into making good notes will pay dividends when it comes to writing a paper!

Good Summary

Being an executive summary, the annotated citation should be fairly brief, usually no more than one page, double spaced.

  • Focus on summarizing the source in your own words.
  • Avoid direct quotations from the source, at least those longer than a few words. However, if you do quote, remember to use quotation marks. You don't want to forget later on what is your own summary and what is a direct quotation!
  • If an author uses a particular term or phrase that is important to the article, use that phrase within quotation marks. Remember that whenever you quote, you must explain the meaning and context of the quoted word or text. 

Common Elements of an Annotated Citation

  • Summary of an Article or Book's thesis or most important points (Usually two to four sentences)
  • Summary of a source's methodological approach. That is, what is the source? How does it go about proving its point(s)? Is it mostly opinion based? If it is a scholarly source, describe the research method (study, etc.) that the author used. (Usually two to five sentences)
  • Your own notes and observations on the source beyond the summary. Include your initial analysis here. For example, how will you use this source? Perhaps you would write something like, "I will use this source to support my point about . . . "
  • Formatting Annotated Bibliographies This guide from Purdue OWL provides examples of an annotated citation in MLA and APA formats.

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Citation Styles Guide | Examples for All Major Styles

Published on June 24, 2022 by Jack Caulfield . Revised on November 7, 2022.

A citation style is a set of guidelines on how to cite sources in your academic writing . You always need a citation whenever you quote , paraphrase , or summarize a source to avoid plagiarism . How you present these citations depends on the style you follow. Scribbr’s citation generator can help!

Different styles are set by different universities, academic associations, and publishers, often published in an official handbook with in-depth instructions and examples.

There are many different citation styles, but they typically use one of three basic approaches: parenthetical citations , numerical citations, or note citations.

Parenthetical citations

  • Chicago (Turabian) author-date

CSE name-year

Numerical citations

CSE citation-name or citation-sequence

Note citations

  • Chicago (Turabian) notes and bibliography

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Table of contents

Types of citation: parenthetical, note, numerical, which citation style should i use, parenthetical citation styles, numerical citation styles, note citation styles, frequently asked questions about citation styles.

The clearest identifying characteristic of any citation style is how the citations in the text are presented. There are three main approaches:

  • Parenthetical citations: You include identifying details of the source in parentheses in the text—usually the author’s last name and the publication date, plus a page number if relevant ( author-date ). Sometimes the publication date is omitted ( author-page ).
  • Numerical citations: You include a number in brackets or in superscript, which corresponds to an entry in your numbered reference list.
  • Note citations: You include a full citation in a footnote or endnote, which is indicated in the text with a superscript number or symbol.

Citation styles also differ in terms of how you format the reference list or bibliography entries themselves (e.g., capitalization, order of information, use of italics). And many style guides also provide guidance on more general issues like text formatting, punctuation, and numbers.

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what is bibliography and types

In most cases, your university, department, or instructor will tell you which citation style you need to follow in your writing. If you’re not sure, it’s best to consult your institution’s guidelines or ask someone. If you’re submitting to a journal, they will usually require a specific style.

Sometimes, the choice of citation style may be left up to you. In those cases, you can base your decision on which citation styles are commonly used in your field. Try reading other articles from your discipline to see how they cite their sources, or consult the table below.

The American Anthropological Association (AAA) recommends citing your sources using Chicago author-date style . AAA style doesn’t have its own separate rules. This style is used in the field of anthropology.

APA Style is defined by the 7th edition of the Publication Manual of the American Psychological Association . It was designed for use in psychology, but today it’s widely used across various disciplines, especially in the social sciences.

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The citation style of the American Political Science Association (APSA) is used mainly in the field of political science.

The citation style of the American Sociological Association (ASA) is used primarily in the discipline of sociology.

Chicago author-date

Chicago author-date style is one of the two citation styles presented in the Chicago Manual of Style (17th edition). It’s used mainly in the sciences and social sciences.

The citation style of the Council of Science Editors (CSE) is used in various scientific disciplines. It includes multiple options for citing your sources, including the name-year system.

Harvard style is often used in the field of economics. It is also very widely used across disciplines in UK universities. There are various versions of Harvard style defined by different universities—it’s not a style with one definitive style guide.

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MLA style is the official style of the Modern Language Association, defined in the MLA Handbook (9th edition). It’s widely used across various humanities disciplines. Unlike most parenthetical citation styles, it’s author-page rather than author-date.

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The American Chemical Society (ACS) provides guidelines for a citation style using numbers in superscript or italics in the text, corresponding to entries in a numbered reference list at the end. It is used in chemistry.

The American Medical Association ( AMA ) provides guidelines for a numerical citation style using superscript numbers in the text, which correspond to entries in a numbered reference list. It is used in the field of medicine.

CSE style includes multiple options for citing your sources, including the citation-name and citation-sequence systems. Your references are listed alphabetically in the citation-name system; in the citation-sequence system, they appear in the order in which you cited them.

The Institute of Electrical and Electronics Engineers ( IEEE ) provides guidelines for citing your sources with IEEE in-text citations that consist of numbers enclosed in brackets, corresponding to entries in a numbered reference list. This style is used in various engineering and IT disciplines.

The National Library of Medicine (NLM) citation style is defined in Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers (2nd edition).

Vancouver style is also used in various medical disciplines. As with Harvard style, a lot of institutions and publications have their own versions of Vancouver—it doesn’t have one fixed style guide.

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The Bluebook: A Uniform System of Citation is the main style guide for legal citations in the US. It’s widely used in law, and also when legal materials need to be cited in other disciplines.

Chicago notes and bibliography

Chicago notes and bibliography is one of the two citation styles presented in the Chicago Manual of Style (17th edition). It’s used mainly in the humanities.

The Oxford University Standard for the Citation of Legal Authorities ( OSCOLA ) is the main legal citation style in the UK (similar to Bluebook for the US).

There are many different citation styles used across different academic disciplines, but they fall into three basic approaches to citation:

  • Parenthetical citations : Including identifying details of the source in parentheses —usually the author’s last name and the publication date, plus a page number if available ( author-date ). The publication date is occasionally omitted ( author-page ).
  • Numerical citations: Including a number in brackets or superscript, corresponding to an entry in your numbered reference list.
  • Note citations: Including a full citation in a footnote or endnote , which is indicated in the text with a superscript number or symbol.

Check if your university or course guidelines specify which citation style to use. If the choice is left up to you, consider which style is most commonly used in your field.

  • APA Style is the most popular citation style, widely used in the social and behavioral sciences.
  • MLA style is the second most popular, used mainly in the humanities.
  • Chicago notes and bibliography style is also popular in the humanities, especially history.
  • Chicago author-date style tends to be used in the sciences.

Other more specialized styles exist for certain fields, such as Bluebook and OSCOLA for law.

The most important thing is to choose one style and use it consistently throughout your text.

A scientific citation style is a system of source citation that is used in scientific disciplines. Some commonly used scientific citation styles are:

  • Chicago author-date , CSE , and Harvard , used across various sciences
  • ACS , used in chemistry
  • AMA , NLM , and Vancouver , used in medicine and related disciplines
  • AAA , APA , and ASA , commonly used in the social sciences

APA format is widely used by professionals, researchers, and students in the social and behavioral sciences, including fields like education, psychology, and business.

Be sure to check the guidelines of your university or the journal you want to be published in to double-check which style you should be using.

MLA Style  is the second most used citation style (after APA ). It is mainly used by students and researchers in humanities fields such as literature, languages, and philosophy.

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Bibliography and Historical Research

Introduction.

  • National Bibliography
  • Personal Bibliography
  • Corporate Bibliography
  • Subject Bibliography
  • Searching the Catalog for Bibliographies
  • Browsing the Catalog for Bibliographies
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This guide created by Geoffrey Ross, May 4, 2017.

A bibliography is a list of documents, usually published documents like books and articles. This type of bibliography is more accurately called "enumerative bibliography". An enumerative bibliography will attempt to be as comprehensive as possible, within whatever parameters established by the bibliographer.

Bibliographies will list both secondary and primary sources. They are perhaps most valuable to historians for identifying primary sources. (They are still useful for finding secondary sources, but increasingly historians rely on electronic resources, like article databases, to locate secondary sources.)

Think of a bibliography as a guide to the source base for a specific field of inquiry. A high quality bibliography will help you understand what kinds of sources are available, but also what kinds of sources are not available (either because they were never preserved, or because they were never created in the first place).

Take for example the following bibliography:

  • British Autobiographies: An Annotated Bibliography of British Autobiographies Published or Written before 1951 by William Matthews Call Number: 016.920041 M43BR Publication Date: 1955

Like many bibliographies, this one includes an introduction or prefatory essay that gives a bibliographic overview of the topic. If you were hoping to use autobiographies for a paper on medieval history, the following information from the preface would save you from wasting your time in a fruitless search:

what is bibliography and types

The essay explains that autobiography does not become an important historical source until the early modern period:

what is bibliography and types

Finally, the essay informs us that these early modern autobiographies are predominantly religious in nature--a useful piece of information if we were hoping to use them as evidence of, for example, the early modern textile trade:

what is bibliography and types

All bibliographies are organized differently, but the best include indexes that help you pinpoint the most relevant entries.

A smart researcher will also use the index to obtain an overview of the entire source base: the index as a whole presents a broad outline of the available sources--the extent of available sources, as well as the the strengths and weaknesses of the source base. Browsing the subject index, if there is one, is often an excellent method of choosing a research topic because it enables you quickly to rule out topics that cannot be researched due to lack of primary sources.

The index to British Autobiographies , for example, tells me that I can find many autobiographies that document British social clubs (like White's and Boodle's), especially from the 19th century:

what is bibliography and types

Unlike indexes you might be familiar with from non-fiction books, the indexes in bibliographies usually reference specific entries, not page numbers.

A bibliography's index will often help guide you systematically through the available sources, as in this entry which prompts you to look under related index entries for even more sources:

what is bibliography and types

There are four main types of enumerative bibliography used for historical research:

Click here to learn more about bibliography as a discipline .

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How to Format a Citation

Examples of apa, mla, and chicago manual of style, citation styles: american psychological association (apa), citation styles: chicago, citation styles: modern language association (mla), example: direct quote cited in a book, example: reference within a journal article.

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There are two basic approaches to citation:

  • In-text citations + a list of references at the end of the paper
  • Endnotes or footnotes +/- a bibliography at the end of the paper

Scholars writing in the sciences and social sciences typically use in-text citations, while humanities scholars utilize endnotes/footnotes.

While the two basic approaches to citations are simple, there are many different citation styles.

What is a citation style?

The way that citations appear (format) depends on the citation style, which is a set of established rules and conventions for documenting sources.

Citation styles can be defined by an association, such as the Modern Language Association (MLA), publisher, such as the University of Chicago Press, or journal, such as The New England Journal of Medicine .

What citation style should I use?

The citation style that you use depends on the discipline in which you are writing, and where, or by whom, your work will be published or read.

When in doubt, ask your professor if there is a particular style that he/she would like you to use. 

Where can I find more information on how to cite a specific type of source in a particular style?

The library has style manuals in print and online for several commonly used styles such as American Psychological Association (APA), Modern Language Association (MLA) and Chicago.  In addition, there are several excellent citation style guides on the web. (See below)

For examples of APA and MLA and Chicago Manual of Style, visit Purdue's OWL (Online Writing Lab) site.

Frank, H. (2011). Wolves, Dogs, Rearing and Reinforcement: Complex Interactions Underlying Species Differences in Training and Problem-Solving Performance.  Behavior Genetics ,  41 (6), 830-839. 

  • Publication Manual of the American Psychological Association Print manual for the APA style, available in the Sciences and Rockefeller libraries.
  • Purdue University Online Writing Lab Well-organized, easy-to-follow guide, with numerous examples.
  • APA Style American Psychological Association website for the APA Style. Provides tutorials, answers to frequently asked questions, and more.

Frank, H. 2011. "Wolves, Dogs, Rearing and Reinforcement: Complex Interactions Underlying Species Differences in Training and Problem-Solving Performance."   Behavior Genetics  41 (6):830-839. 

  • The Chicago Manual of Style Older (15th edition) print manual, available at the Sciences, Rockefeller and Orwig libraries.
  • The Chicago Manual of Style Online Current (16th) edition of the Chicago Manual of Style, and answers to frequently asked questions. Off-campus use requires Brown username and password.

Frank, H. "Wolves, Dogs, Rearing and Reinforcement: Complex Interactions Underlying Species Differences in Training and Problem-Solving Performance."  Behavior Genetics  41.6 (2011): 830-39. Print.

  • MLA Style Manual and Guide to Scholarly Publishing Print manual for the MLA style. Available in the Rockefeller Library.
  • MLA Handbook for Writers of Research Papers Print handbook for the MLA. Available in the Rockefeller Library.

Citation in Book

Source: Gabriel, R. A. (2001). Gods of Our Fathers: The Memory of Egypt in Judaism & Christianity . Westport, CT, USA: Greenwood Press.

Citation in Journal Article

Source: Bradt, J., Potvin, N., Kesslick, A., Shim, M., Radl, D., Schriver, E., … Komarnicky-Kocher, L. T. (2015). The impact of music therapy versus music medicine on psychological outcomes and pain in cancer patients: a mixed methods study. Supportive Care in Cancer : Official Journal of the Multinational Association of Supportive Care in Cancer , 23 (5), 1261–71.

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Bibliography definition & meaning, what is a bibliography, 10 types of bibliography, bibliography uses, purpose, importance, what’s in a bibliography parts, how to design a bibliography, bibliography vs. references, what’s the difference between bibliography, literature, and biography, bibliography sizes, bibliography ideas & examples, bibliography.

A bibliography gives credit to all the author’s hard work that was consulted in someone’s research. This list is usually found on the last portion or on the last page of books and/or magazines, most of which can be academic.

what is bibliography and types

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Sustainable development bibliography.

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School Project Bibliography

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Preliminary Bibliography

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Elementary Bibliography

elementary bibliography

Books Bibliography

books bibliography

Project Bibliography

project bibliography

Disaster Management Bibliography

disaster management bibliography

High School Bibliography

high school bibliography

Annotated Bibliography

annotated bibliography

Students Bibliography

students bibliography

It serves as an optimal resource

Plagiarism prevention, maintaining accuracy, enhances the value of a paper, it acts as a source tracker, author names, publication information, publication date, access date.

whats in a bibliography parts

  • Bibliography Ideas and Examples
  • College Bibliography Ideas and Examples
  • Kids Bibliography Ideas and Examples
  • Middle School Bibliography Ideas and Examples
  • Consumer Awareness Bibliography Ideas and Examples
  • Internet Bibliography Ideas and Examples
  • Writing Bibliography Ideas and Examples
  • MLA Bibliography Ideas and Examples
  • Bibliography Outline Ideas and Examples
  • Annotated Bibliography Research Ideas and Examples
  • School Bibliography Ideas and Examples

What is a bibliography in research?

How do you add a bibliography to a table of contents, which is a correct bibliography entry, what are four resources of bibliography, what are the methods of preparing a bibliography, when was the bibliography invented, what are the branches of a bibliography, what is the bibliography in a college project, how should each reference be formatted in a bibliography, what is bibliographic documentation, what is a bibliography citation, more in documents, virtual learning brochure template, sample apa format template, apa annotated bibliography template, school cash management policy template, handbook for airbnb hosts template, apa format template, school project bibliography template, college bibliography template, middle school bibliography template, school bibliography template.

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Home / Guides / Citation Guides / MLA Format / Creating an MLA Bibliography

Creating an MLA Bibliography

If you write a research paper in MLA format, then you will need to include a Works Cited page according to the current 9th edition of the Modern Language Association (MLA) guidelines. Along with citing your sources within the body of your paper, you also need to include full citations of all sources at the end of your paper. The references in a bibliography are formatted in the same way as they would be in a Works Cited page. However, a bibliography refers to all works that you have consulted in your research, even if you did not use their information directly in your paper.

When you use the correct MLA bibliography format, it shows the reader what sources you consulted, makes finding your sources easier for the reader, and gives credibility to your work as a researcher and writer. This MLA sample paper will show you how the bibliography is incorporated into the rest of your paper. We also have a guide on APA reference pages , if you are following APA style in your paper.

Works cited or bibliography?

You may be wondering, what is a bibliography, and how is it different from a Works Cited page? The difference between the two is that while a bibliography refers to any source you consulted to write your research paper, a Works Cited page only includes full citations of the sources you quoted or paraphrased within your paper.

Typically, when someone says, “MLA bibliography” they really mean a Works Cited page, since the MLA format usually uses a Works Cited page instead of a bibliography.

A bibliography in MLA format may also refer to a Works Consulted page. If you used other sources that you did not directly quote or paraphrase within the paper, you will need to create a Works Consulted/Additional Resources page. A Works Consulted page starts on a separate page and follows the Works Cited page. It follows the same formatting guidelines as a Works Cited page, but you will use Works Consulted (or Additional Resources) as the title.

If you’re unsure of what to include in your citations list (works cited, works consulted, or both), ask your instructor. For the rest of this article, we will refer to this page as the MLA bibliography.

MLA bibliography formatting guidelines

These are the formatting rules you need to follow to create your bibliography according to MLA’s current edition guidelines. Your first page(s) will be your Works Cited page(s) and include the references that you directly refer to in your paper. Usually, this is all that is needed. If your instructor wants you to also include the works you consulted but did not include in your paper (more like a bibliography), then add Works Consulted or Additional Resources page for these sources.

  • Your MLA Works Cited (and Works Consulted or Additional Resources pages) should begin on a separate page or pages at the end of your essay.
  • Your essay should have a header on every page that includes your last name and the page number.
  • The last name/page number header should be on the top right of each page with a ½ inch margin from the top of the page.
  • One-inch margins.
  • Title the page Works Cited (no italicization or quotation marks) unless otherwise instructed. Center the title. The top should look like this:

what is bibliography and types

  • Only center the Works Cited title; all citations should be left-justified.
  • Double-space citations.
  • Do not add an additional space between citations.
  • After the first line, use a hanging indent of ½ inch on all additional lines of a citation. The hanging indent should look like this:

MLA works cited indent

  • Typically, this is the author’s last name, but sometimes it could be the title of the source if the author’s name is not available.

MLA bibliography works cited page

If you have a Works Consulted or Additional Resources page after your Works Cited page, format it in the same way, but with the title of Works Consulted or Additional Resources instead of Works Cited. Alternatively, your instructor may require a bibliography. If this is the case, all your sources, whether they are cited in your paper are not, are listed on the same page.

MLA citation guidelines

These are the rules you need to follow to create citations for an MLA bibliography. This section contains information on how to correctly use author names, punctuation, capitalization, fonts, page numbers, DOIs, and URLS in the citations on your MLA bibliography.

Author names

After the title Works Cited, the last name of the author of a source should be the first thing to appear on your page.

List the author’s last name followed by a comma, then the first name followed by the middle name or middle initial if applicable, without a comma separating the first and middle names. Add a period after the name.

Rowling, J.K.

Smith, Alexander McCall.

  • Do not include titles such as Dr., Mrs., etc. or professional qualifications such as PhD, M.S., etc. with author names.
  • Include suffixes such as Jr. or III after the author’s first name. Separate the first name and the suffix by a comma unless the suffix is a numeral. For example, to cite an author named John Smith, Jr., you would type Smith, John, Jr.

Sources with two authors

For a source with two authors, list the author names in your citation in the order they appear on the source, not alphabetically.

Type the last name of the first author listed on the source followed by a comma, then the first author’s first name followed by a comma. Then type the word “and” then list the second author’s first name and last name in the standard order. Follow the second name with a period.

Include middle names or initials and suffixes when applicable according to the guidelines for one author as listed above.

1st Author’s Last Name, First Name, and 2nd Author’s First Name Last Name.

Lutz, Lisa, and David Hayward.

Clark, Mary Higgins, and Alafair Burke.

Sources with three or more authors

For a source with three or more authors, only type the last and first name of the first author listed in the source, followed by a comma and the phrase et al., which is Latin for “and others.” Be sure to always place a period after the al in et al. but never after the et.

1st Author’s Last Name, First Name, et al.

Charaipotra, Sona, et al.

Williams, Beatriz, et al. All the Ways We Said Goodbye . HarperLuxe, 2020.

Organizations and corporations as authors

For sources with organizations or corporations listed as the author, type the name of the corporation in place of an author’s name. If the organization begins with an article like a, an, or the, it should be excluded in the Works Cited entry.

Modern Language Association of America. MLA Handbook . 2016.

*Note: If the organization is listed as both the author and the publisher, begin the citation with the title and include the organization’s name within the publisher field instead. 

For a source with no author listed, simply omit the author’s name and begin the citation with the title of the source. Use the first letter of the title when considering alphabetical order in your MLA bibliography.

Capitalization

Use MLA title case when citing titles of sources.

  • Nouns, pronouns, verbs, adverbs, adjectives, and subordinating conjunctions should be capitalized.
  • Articles, prepositions, and coordinating conjunctions should not be capitalized.

Font formatting

  • Italicize the titles of larger works such as magazines and books. Also, italicize database and website names.
  • Instead of italicization, use quotation marks around titles of shorter works such as poems, short stories, and articles.
  • End all bibliography citations with a period.

Page numbers

Include page numbers in your full citations whenever possible. This helps the reader find the information you cited more quickly than if you just cited the entire source and lends more credibility to your argument. If you cite different pages from the same source within your paper, you should cite the entire source on your MLA bibliography instead of listing all of the page numbers you used.

When including page numbers in a citation, use the abbreviation p. to cite one page and the abbreviation pp. to cite multiple pages with a hyphen between the page numbers.

p. 25 or pp. 16-37

When citing page numbers in MLA, omit the first set of repeated digits.

pp. 365-69, not pp. 365-369

DOIs and URLs

A Digital Object Identifier (DOI) is used to locate and identify an online source. While URLs may change or web pages might be edited or updated, a DOI is permanent and therefore more useful in a source citation.

  • Use a DOI (digital object identifier) whenever possible. Otherwise use a permalink or URL.
  • DOIs should be formatted with “https://doi.org/” before the DOI number.
  • Do not include “http://” or “https://” in your URLs.
  • As either one will be the last part of your citation, place a period after the DOI or URL. (Note that this period is not part of the DOI or URL.)

Butarbutar, R, et al. “Analyzing of Puzzle Local Culture-Based in Teaching English for Young Learners.” IOP Conference Series: Earth and Environmental Science , vol. 343, 2019, https://doi.org/10.1088/1755-1315/343/1/012208.

Accessed dates

Since the previous 8th edition of the MLA Handbook was published, you do NOT need to list an accessed date for a stable source (e.g., online newspaper article, journal article, photograph, etc.). However, including an access date is good to include when a source does not have a publishing date, and some instructors will request that accessed dates be included for all sources.

If you do include an access date, here’s how to format it:

  • Place it at the end of the citation without “http://” or “https://”.
  • Write “Accessed” first, followed by the date accessed.
  • The date accessed should be formatted as Day Month (abbreviated) Year.

Butarbutar, R, et al. “IOPscience.” IOP Conference Series: Earth and Environmental Science , IOP Publishing, 1 Oct. 2019, iopscience.iop.org/article/10.1088/1755-1315/343/1/012208/meta. Accessed 8 Oct. 2020.

Note: If you choose to list an accessed date after a DOI, the accessed date part of the citation will follow the period after the DOI and will end with a period at the end of the citation

Butarbutar, R, et al. “Analyzing of Puzzle Local Culture-Based in Teaching English for Young Learners.” IOP Conference Series: Earth and Environmental Science , vol. 343, 2019, https://doi.org/10.1088/1755-1315/343/1/012208. Accessed 8 Oct. 2020.

MLA 8 th edition vs MLA 9 th edition

The 9 th edition of the MLA handbook re-introduces guidelines regarding paper formatting (which were not present in the 8 th edition). The guidance in the 9 th addition is consistent with the guidance in previous editions and expands on the formatting of tables, figures/illustrations, and lists. The 9 th edition also offers new guidance in areas like annotated bibliographies, inclusive language, and footnotes/endnotes.

Many of the differences between the 8 th edition and 9 th edition have to do with the formatting of the core elements in reference list entries. Some of the main changes include:

Written by Grace Turney , freelance writer and artist. Grace is a former librarian and has a Master’s degree in Library Science and Information Technology. 

MLA Formatting Guide

MLA Formatting

Annotated Bibliography

Bibliography

  • Block Quotes
  • et al Usage
  • In-text Citations
  • Paraphrasing
  • Page Numbers
  • Sample Paper
  • Works Cited
  • MLA 8 Updates
  • MLA 9 Updates
  • View MLA Guide

Citation Examples

  • Book Chapter
  • Journal Article
  • Magazine Article
  • Newspaper Article
  • Website (no author)
  • View all MLA Examples

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An MLA bibliography is similar to the Works Cited list that you include at the end of your paper. The only difference between a Works Cited list and a bibliography is that for the former, you need to include the entries for only the sources you cited in the text, whereas for the latter you can also include the sources you consulted to write your paper but didn’t directly cite in your writing. MLA generally prefers Works Cited lists to bibliographies.

If your instructor advises you to create an MLA bibliography, follow the same guidelines you would follow for creating an MLA Works Cited list.

The bibliography list appears at the end of the paper, after any endnotes if they are present.

All margins (top, bottom, left, and right) should be set at 1 inch.

Write the running head in the top right of the page at 0.5 inch from the top. Use the running head “Surname Page #.”

The font should be clear enough to read. Use Times New Roman font of size 12 points.

Entries should be double-spaced. If any entry runs over more than a line, indent the subsequent lines of the entry 0.5 inch from the left margin.

Bibliographic entries are arranged alphabetically according to the first item in each entry.

Title your bibliography as “Bibliography.”

Braidotti, Rosi. The Posthuman . Polity, 2013.

Brisini, Travis. “Phytomorphizing Performance: Plant Performance in an Expanded Field.” Text and Performance Quarterly , vol. 39, 2019,            pp. 1–2.

Riccio, Thomas. “Reimagining Yup’ik and Inupiat Performance.” Northwest Theatre Review , vol. 12, no. 1, 1999, pp. 1–30.

General rules for creating an annotated bibliography

The annotation is given after the source entry and is generally about 100-150 words in length. The annotation should be indented 1 inch from the left margin to distinguish it from the hanging indent within the citation entry.

The annotation, in general, should be written as short phrases. However, you may use full sentences as well.

The annotation for each source is usually no longer than one paragraph. However, if multiple paragraphs are included, indent the second and subsequent paragraphs without any extra line space between them.

The annotation provides basic information about the source, but does not include details about the source, quotes from the author, etc. The information can be descriptive (by generally describing what the source covers) or evaluative (by evaluating the source’s usefulness to the argument in your paper).

Example annotated bibliography

The below is an example of an annotated bibliography:

Morritt, Robert D. Beringia: Archaic Migrations into North America . Cambridge Scholars Pub, 2011.

The author studies the migration of cultures from Asia to North America. The connection between the North American Athabaskan language family and Siberia is presented, together with comparisons and examinations of the implications of linguistics from anthropological, archaeological, and folklore perspectives. This book explores the origins of the earliest people in the Americas, including Siberian, Dene, and Navajo Creation myths; linguistic comparisons between Siberian Ket Navajo and Western Apache; and comparisons between indigenous groups that appear to share the same origin.

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    Type the last name of the first author listed on the source followed by a comma, then the first author's first name followed by a comma. Then type the word "and" then list the second author's first name and last name in the standard order. Follow the second name with a period.