APA (7th ed.) Citation

Gregg, F. M. (1938). The psychology of a growing personality. Personality Press.

Chicago Style (17th ed.) Citation

Gregg, F. M. The Psychology of a Growing Personality. Lincoln, Neb.: Personality Press, 1938.

MLA (9th ed.) Citation

Gregg, F. M. The Psychology of a Growing Personality. Personality Press, 1938.