Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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