APA (7th ed.) Citation

Kaplan, L., Baron, D., & Hamilton, B. K. (1952). Mental hygiene and life. Harper.

Chicago Style (17th ed.) Citation

Kaplan, Louis, Denis Baron, and Barbara Kirsch Hamilton. Mental Hygiene and Life. New York: Harper, 1952.

MLA (9th ed.) Citation

Kaplan, Louis, et al. Mental Hygiene and Life. Harper, 1952.