Cita APA (7a ed.)

Guerney, L. F., & Ryan, V. (2013). Group filial therapy: The complete guide to teaching parents to play therapeutically with their children. Jessica Kingsley Publishers.

Cita Chicago Style (17a ed.)

Guerney, Louise F., y Virginia Ryan. Group Filial Therapy: The Complete Guide to Teaching Parents to Play Therapeutically with Their Children. London ; Philadelphia, PA: Jessica Kingsley Publishers, 2013.

Cita MLA (8a ed.)

Guerney, Louise F., y Virginia Ryan. Group Filial Therapy: The Complete Guide to Teaching Parents to Play Therapeutically with Their Children. Jessica Kingsley Publishers, 2013.