How to cite a letter, memo, e-mail or press release

Bluebook (22d ed.) citation format · B17 / R17.2.3–17.2.4 · Books, periodicals & other secondary

Example

Memorandum from President Franklin Roosevelt to Att’y Gen. Robert H. Jackson (July 1, 1939) (on file with the Harvard Law School Library).

More examples

Each of these is checked against the rules on every change to the tool.

What the citation needs

Required

When they apply

In a brief and in a law review

The Bluebook sets citations two ways: the Bluepages for court documents and legal memoranda, the Whitepages for law review footnotes. Here is the first example above as each one prints it, in its typeface.

Court documents (Bluepages)

Memorandum from President Franklin Roosevelt to Att’y Gen. Robert H. Jackson (July 1, 1939) (on file with the Harvard Law School Library).

Law review footnotes (Whitepages)

Memorandum from President Franklin Roosevelt to Att’y Gen. Robert H. Jackson (July 1, 1939) (on file with the Harvard Law School Library).

For this source the two are set the same way.

Common mistakes

Each of these is a citation the checker refuses, with what it says is wrong and the corrected form.

Wrong

Memo from President Franklin Roosevelt to Att’y Gen. Robert H. Jackson (July 1, 1939) (on file with the Harvard Law School Library).

Why

Year of publication is required (R15.4(a)).

Year is required (R15.4(a)).

Right

Memorandum from President Franklin Roosevelt to Att’y Gen. Robert H. Jackson (July 1, 1939) (on file with the Harvard Law School Library).

Wrong

E-mail from Jacob Sarasin, Editor, Colum. L. Rev. to author (Dec. 14, 2023, 01:33 ET) (on file with author).

Right

E-mail from Jacob Sarasin, Editor, Colum. L. Rev., to author (Dec. 14, 2023, 01:33 ET) (on file with author).

Wrong

Screen Actors Guild, Screen Actors Guild Hails Passage of California Privacy Law (Sep. 30, 1998) (on file with author).

Why

Year of publication is required (R15.4(a)).

Year is required (R15.4(a)).

Right

Press Release, Screen Actors Guild, Screen Actors Guild Hails Passage of California Privacy Law (Sep. 30, 1998) (on file with author).

Governing rules

B17 / R17.2.3–17.2.4

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Related source types

Books, periodicals & other secondary: