APA (7th ed.) Citation
Pressey, S. L., & Kuhlen, R. G. (1957). Psychological development through the life span. Harper.
Chicago Style (17th ed.) Citation
Pressey, Sidney L., and Raymond G. Kuhlen. Psychological Development Through the Life Span. New York: Harper, 1957.
MLA (9th ed.) Citation
Pressey, Sidney L., and Raymond G. Kuhlen. Psychological Development Through the Life Span. Harper, 1957.
Warning: These citations may not always be 100% accurate.