Cita APA (7a ed.)

Vaillant, G. E. (1992). Ego mechanisms of defense: A guide for clinicians and researchers. American Psychiatric Press.

Cita Chicago Style (17a ed.)

Vaillant, George E. Ego Mechanisms of Defense: A Guide for Clinicians and Researchers. Washington [etc.]: American Psychiatric Press, 1992.

Cita MLA (9a ed.)

Vaillant, George E. Ego Mechanisms of Defense: A Guide for Clinicians and Researchers. American Psychiatric Press, 1992.