Cita APA (7th ed.)

Maddi, S. R. (1968). Personality theories: A comparative analysis (3d ed.). The Dorsey Press.

Cita Chicago (17th ed.)

Maddi, Salvatore R. Personality Theories: A Comparative Analysis. 3d ed. Homewood, Illinois: The Dorsey Press, 1968.

Cita MLA (9th ed.)

Maddi, Salvatore R. Personality Theories: A Comparative Analysis. 3d ed. The Dorsey Press, 1968.