APA (7th ed.) Citation

Dixson, A. F. (1981). The natural history of the gorilla. Columbia University Press.

Chicago Style (17th ed.) Citation

Dixson, Alan F. The Natural History of the Gorilla. New York: Columbia University Press, 1981.

MLA (9th ed.) Citation

Dixson, Alan F. The Natural History of the Gorilla. Columbia University Press, 1981.