APA (7th ed.) Citation

Kesey, K. (1999). One flew over the cuckoo's nest. Penguin Books.

Chicago Style (17th ed.) Citation

Kesey, Ken. One Flew over the Cuckoo's Nest. New York: Penguin Books, 1999.

MLA (9th ed.) Citation

Kesey, Ken. One Flew over the Cuckoo's Nest. Penguin Books, 1999.