Citazione Stile APA (7a Edizione)

Gilliland, A. R., & Clark, E. L. 1. . . .. (1939). Psychology of individual differences. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Gilliland, Adam Raymond, e Edward Lester 1895- Clark. Psychology of Individual Differences. New York: Prentice-Hall, 1939.

Citatione MLA (9a ed.)

Gilliland, Adam Raymond, e Edward Lester 1895- Clark. Psychology of Individual Differences. Prentice-Hall, 1939.