APA (7th ed.) Citation

Sayers, D. L. (1928). The unpleasantness at the Bellona Club. Harper.

Chicago Style (17th ed.) Citation

Sayers, Dorothy L. The Unpleasantness at the Bellona Club. New York: Harper, 1928.

MLA (8th ed.) Citation

Sayers, Dorothy L. The Unpleasantness at the Bellona Club. Harper, 1928.