Cita APA (7th ed.)
Yankura, J., & Dryden, W. (1994). Albert Ellis. Sage Publications.
Cita Chicago (17th ed.)
Yankura, Joseph, i Windy Dryden. Albert Ellis. London ; Thousand Oaks, Calif.: Sage Publications, 1994.
Cita MLA (9th ed.)
Yankura, Joseph, i Windy Dryden. Albert Ellis. Sage Publications, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.