APA (7th ed.) Citation

Grinker, R. R., & Hughes, H. M. (1958). Toward a unified theory of human behavior. Basic Books.

Chicago Style (17th ed.) Citation

Grinker, Roy R., and Helen MacGill Hughes. Toward a Unified Theory of Human Behavior. New York: Basic Books, 1958.

MLA (9th ed.) Citation

Grinker, Roy R., and Helen MacGill Hughes. Toward a Unified Theory of Human Behavior. Basic Books, 1958.

Warning: These citations may not always be 100% accurate.