APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.