APA (7th ed.) Citation

Schaller, G. B. (1988). The year of the gorilla. University of Chicago Press.

Chicago Style (17th ed.) Citation

Schaller, George B. The Year of the Gorilla. [Chicago]: University of Chicago Press, 1988.

MLA (9th ed.) Citation

Schaller, George B. The Year of the Gorilla. University of Chicago Press, 1988.