Cita APA (7th ed.)

Gardner, E. S. (1941). The case of the howling dog. Pocket Books.

Cita Chicago (17th ed.)

Gardner, Erle Stanley. The Case of the Howling Dog. Nueva York: Pocket Books, 1941.

Cita MLA (9th ed.)

Gardner, Erle Stanley. The Case of the Howling Dog. Pocket Books, 1941.