APA (7th ed.) Citation

Donleavy, J. P. (1968). The saddest summer of Samuel S. Penguin Books.

Chicago Style (17th ed.) Citation

Donleavy, J. P. The Saddest Summer of Samuel S. Harmondsworth, England: Penguin Books, 1968.

MLA (9th ed.) Citation

Donleavy, J. P. The Saddest Summer of Samuel S. Penguin Books, 1968.