Cita APA (7th ed.)
Perls, F. S. (1976). The gestalt Approach & eye witness to therapy.
Cita Chicago (17th ed.)
Perls, Frederick S. The Gestalt Approach & Eye Witness to Therapy. 1976.
Cita MLA (9th ed.)
Perls, Frederick S. The Gestalt Approach & Eye Witness to Therapy. 1976.
Atenció: Aquestes cites poden no estar 100% correctes.