Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

Tyler, Leona Elizabeth. The Psychology of Human Differences. D. Appleton-Century Co, 1947.