APA (7th ed.) Zitazioa

Guerin, P. J. (1976). Family therapy: Theory and practice. Gardner.

Chicago Style (17th ed.) Zitazioa

Guerin, Philip J. Family Therapy: Theory and Practice. New York: Gardner, 1976.

MLA (9th ed.) Zitazioa

Guerin, Philip J. Family Therapy: Theory and Practice. Gardner, 1976.