Citazione Stile APA (7a Edizione)

HJELLE, L. A. (1992). Personality theories: Basic assumptions, research, andapplications.-- Ed.3. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

HJELLE, Larry A. Personality Theories: Basic Assumptions, Research, Andapplications.-- Ed.3. New York: McGraw-Hill, 1992.

Citatione MLA (9a ed.)

HJELLE, Larry A. Personality Theories: Basic Assumptions, Research, Andapplications.-- Ed.3. McGraw-Hill, 1992.