APA (7th ed.) Citation

Sayers, D. L. (1940). The unpleasantness at the Bellona Club. Pocket Books.

Chicago Style (17th ed.) Citation

Sayers, Dorothy L. The Unpleasantness at the Bellona Club. Nueva York: Pocket Books, 1940.

MLA (9th ed.) Citation

Sayers, Dorothy L. The Unpleasantness at the Bellona Club. Pocket Books, 1940.