APA (7th ed.) Citation

Gardner, E. S. (1956). The case of the angry mourner. Pocket Books.

Chicago Style (17th ed.) Citation

Gardner, Erle Stanley. The Case of the Angry Mourner. Nueva York: Pocket Books, 1956.

MLA (9th ed.) Citation

Gardner, Erle Stanley. The Case of the Angry Mourner. Pocket Books, 1956.