APA (7th ed.) Citation

Thurber, J. (1982). Selected letters of James Thurber. Penguin Books.

Chicago Style (17th ed.) Citation

Thurber, James. Selected Letters of James Thurber. New York u.a: Penguin Books, 1982.

MLA (9th ed.) Citation

Thurber, James. Selected Letters of James Thurber. Penguin Books, 1982.