Cita APA (7th ed.)
Smith, B. D., & Vetter, H. J. (1982). Theoretical approaches to personality. Prentice-hall.
Cita Chicago (17th ed.)
Smith, Barry D., i Harold J. Vetter. Theoretical Approaches to Personality. New Jersey: Prentice-hall, 1982.
Cita MLA (9th ed.)
Smith, Barry D., i Harold J. Vetter. Theoretical Approaches to Personality. Prentice-hall, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.