Cita APA (7a ed.)

Ewen, R. B. (2014). An introduction to theories of personality (Seventh edition.). Psychology Press.

Cita Chicago Style (17a ed.)

Ewen, Robert B. An Introduction to Theories of Personality. Seventh edition. New York, New York ; East Sussex, England: Psychology Press, 2014.

Cita MLA (9a ed.)

Ewen, Robert B. An Introduction to Theories of Personality. Seventh edition. Psychology Press, 2014.