Citazione Stile APA (7a Edizione)

Royce, J. R., & Powell, A. (1983). Theory of personality and individual differences: Factors, systems, and processes. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Royce, Joseph R., e Arnold Powell. Theory of Personality and Individual Differences: Factors, Systems, and Processes. Englewood Cliffs, N.J: Prentice-Hall, 1983.

Citatione MLA (9a ed.)

Royce, Joseph R., e Arnold Powell. Theory of Personality and Individual Differences: Factors, Systems, and Processes. Prentice-Hall, 1983.