APA (7th ed.) Citation

Kessel, N., & Walton, H. J. (1965). Alcoholism. Penguin Books.

Chicago Style (17th ed.) Citation

Kessel, Neil, and Henry J. Walton. Alcoholism. Baltimore: Penguin Books, 1965.

MLA (9th ed.) Citation

Kessel, Neil, and Henry J. Walton. Alcoholism. Penguin Books, 1965.