APA (7th ed.) Citation

BOWER, G. H. [. a. (1987). Principles of psychology today. Random House.

Chicago Style (17th ed.) Citation

BOWER, Gordon H. [et al]. Principles of Psychology Today. New York: Random House, 1987.

MLA (9th ed.) Citation

BOWER, Gordon H. [et al]. Principles of Psychology Today. Random House, 1987.