APA (7th ed.) Citation

Tyler, L. E. (1947). The psychology of human differences. D. Appleton-Century Company.

Chicago Style (17th ed.) Citation

Tyler, Leona E. The Psychology of Human Differences. New York: D. Appleton-Century Company, 1947.

MLA (9th ed.) Citation

Tyler, Leona E. The Psychology of Human Differences. D. Appleton-Century Company, 1947.