APA (7th ed.) Citation

Sayers, D. L. (1967). The unpleasantness at the Bellona Club ([2.print.].). Avon Books.

Chicago Style (17th ed.) Citation

Sayers, Dorothy L. The Unpleasantness at the Bellona Club. [2.print.]. New York: Avon Books, 1967.

MLA (9th ed.) Citation

Sayers, Dorothy L. The Unpleasantness at the Bellona Club. [2.print.]. Avon Books, 1967.