How To Write A Legal Citation Using The Bluebook 21st Edition: A Guide

Bluebook 21st Edition: A Guide

The Bluebook 21st edition is the go-to guide for legal citations. It can be a little daunting to use at first, but with a bit of practice, you'll be able to refer to cases and statutes like a pro. This post will provide a basic overview of how to create legal citations using the Bluebook 21st edition. So whether you're just getting started in law school or looking for a refresher on legal citation formatting, the Bluebook is just what you need. Keep reading!

1. What is the Bluebook, and what does it do?

The Bluebook: A Uniform System of Citation, often referred to simply as the Bluebook, is a style guide for legal writing in the United States. The Harvard Law Review Association, the Columbia Law Review Association, the University of Pennsylvania Law Review Association, and the Yale Law Journal Company published The Bluebook 21st Edition in 2020.

The Bluebook provides guidelines for citing various legal materials, including court decisions, statutes, articles, and books. It also includes rules for how to format citations in footnotes and bibliographies. Law students, lawyers, and judges in the United States use The Bluebook, and it is an essential tool for anyone who needs to do legal research. Scholars from other disciplines who are writing about the law or who need to cite legal documents also use this book. 

2. How to format citations using the Bluebook

When using the Bluebook, it is essential to be familiar with the basic rules for citation formatting. These include specifying the source type, the author's name, publication date, and the page number(s) on which the information is present. Once you have mastered the basic rules, you can use the Bluebook to format citations for any legal document.

The Bluebook provides detailed instructions on how to format each type of citation. For example, the citation for a case from the U.S. Supreme Court would include the following information: 

- Name of the case (e.g., Brown v. Board of Education) 

- Volume of the report in which the case is published 

- Abbreviation for the reporter's name (e.g., 347 U.S.) 

- Page on which the case begins 

3. The different types of citations you may need to use

There are many different types of citations you may need to use, depending on the kind of paper you are writing. The Bluebook 21st edition is a standard guide for citing legal sources. 

MLA, APA, and Chicago are the other common citation styles. Each style has its own specific rules for how to format your citations. For example, in MLA style, you would use Parenthetical citations, while in APA style, you would use in-text citations. Digital Commons @ American University Washington College of Law - Citing Legal Materials: A Guide to Bluebook Style provides an overview of how to cite using the Bluebook 21st edition. This guide also includes examples of common citation types for other sources. Always check with your instructor or supervisor for guidance on which citation style to use when in doubt.

4. How to deal with standard errors in legal citation

Anyone attempting to write a legal memorandum or brief will know that correctly citing cases and other legal materials can be daunting. Numerous citation formats exist for various jurisdictions and source materials, and keeping track of all the rules can be overwhelming. The Bluebook 21st edition is the gold standard for legal citation and provides clear and concise guidance on how to cite the most common legal materials. However, even with the Bluebook, there are still chances of some common errors to occur. This article will guide how to avoid some of the most common bluebook mistakes.

One standard error is failing to include all the required citation elements. For example, the Bluebook requires you to have the court's name, the reporter, and the page number when citing a case. If any of these elements are omitted, your citation will be incomplete. Another standard error is using the wrong type of citation format. For instance, when citing a statute, you must use a different format than citing a case. Using the incorrect format can often lead to confusion on behalf of the reader and may result in your argument being less persuasive. Finally, always make sure to double-check your citations for accuracy.

5. Examples of how to properly cite sources using the Bluebook

When it comes to legal citation, the Bluebook is the gold standard. The Bluebook 21st edition contains detailed rules for how to cite all different types of legal sources. Here are a few examples of how to properly cite sources using the Bluebook:

Books: Author Last Name, Author First Name. Title of the Book. City of Publication: Publisher, Year of Publication.

Articles: Author Last Name, Author First Name. "Title of Article." Journal Title Volume Number (Year): Page Numbers.

Cases: Case Name v. Court Name, Reporter Volume Number (Year). Pinpoint Citation.

Remember, these are just a few examples - for more detailed information, consult the Bluebook itself.


The Bluebook is the standard guide for legal citation in the United States. It provides rules and examples for correctly formatting citations in legal documents. Citations are essential to ensure that your sources are accurately represented in your work, and using the Bluebook can help you avoid common errors. You can also check out the Cite-Checker: Your Guide to Using the Bluebook at BarristerBooks.com for more information on how to format your citations correctly.

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