Cita APA (7a ed.)

Gardner, E. S. (1952). The case of the grinning gorilla. Pocket Books.

Cita Chicago Style (17a ed.)

Gardner, Erle Stanley. The Case of the Grinning Gorilla. New York: Pocket Books, 1952.

Cita MLA (9a ed.)

Gardner, Erle Stanley. The Case of the Grinning Gorilla. Pocket Books, 1952.