APA (7th ed.) Zitazioa

Yalom, I. D., & Leszcz, M. (2020). The theory and practice of group psychotherapy (Sixth edition.). Basic Books.

Chicago Style (17th ed.) Zitazioa

Yalom, Irvin D., eta Molyn Leszcz. The Theory and Practice of Group Psychotherapy. Sixth edition. New York: Basic Books, 2020.

MLA (9th ed.) Zitazioa

Yalom, Irvin D., eta Molyn Leszcz. The Theory and Practice of Group Psychotherapy. Sixth edition. Basic Books, 2020.