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Bluebook In-Text Citations

Master Bluebook (21st edition) in-text citations with this complete guide. Learn the correct format for every scenario, including single and multiple authors, direct quotes, and sources with missing information.

In-Text Citation Rules

Below are the Bluebook in-text citation rules for every common scenario you will encounter when writing your paper.

Single Author

Law review: footnote with full citation — ¹ Smith v. Jones, 123 U.S. 456, 459 (2024). | Briefs: id. or supra/infra cross-references

Two Authors

Same footnote format — cite both parties for cases, both authors for secondary sources

Three or More Authors

For law review articles with 3+ authors: use all names or first author et al. per convention

Direct Quote

Pinpoint citation required — ¹ Smith v. Jones, 123 U.S. 456, 459 (2024) ('quoted language').

No Author

Cite by document title with signal (e.g., See Memorandum from DOJ, supra note 5, at 3.)

No Date

Include the year of publication or decision; for pending cases use the current year

Quick Examples

Here are real-world Bluebook in-text citation examples for different source types:

Court Case¹ (footnote: Smith v. Jones, 123 U.S. 456, 459 (2024).)
Federal Statute² (footnote: 42 U.S.C. § 1983 (2024).)
Law Review Article³ (footnote: Lee, supra note 3, at 50.)
Book⁴ (footnote: Smith, supra note 4, at 42.)
Website⁵ (footnote: WHO, supra note 5.)

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Frequently Asked Questions

How do I format an Bluebook in-text citation?
For a single author in Bluebook, use the format Law review: footnote with full citation — ¹ Smith v. Jones, 123 U.S. 456, 459 (2024). | Briefs: id. or supra/infra cross-references. For two authors, use Same footnote format — cite both parties for cases, both authors for secondary sources. For three or more authors, use For law review articles with 3+ authors: use all names or first author et al. per convention.
How do I cite a direct quote in Bluebook?
For direct quotes in Bluebook (21st edition), use the format: Pinpoint citation required — ¹ Smith v. Jones, 123 U.S. 456, 459 (2024) ('quoted language')..
What if there is no author or no date in Bluebook?
When there is no author in Bluebook, use: Cite by document title with signal (e.g., See Memorandum from DOJ, supra note 5, at 3.). When there is no date, use: Include the year of publication or decision; for pending cases use the current year.

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