Cita APA

Zayas, L. H., & Katch, M. Contracting with Adolescents: An Ego-Psychological Approach. Milwaukee, Wisconsin US: Family Service America.

Citación estilo Chicago

Zayas, Luis H., y Michael Katch. Contracting With Adolescents: An Ego-Psychological Approach. Milwaukee, Wisconsin US: Family Service America.

Cita MLA

Zayas, Luis H., y Michael Katch. Contracting With Adolescents: An Ego-Psychological Approach. Milwaukee, Wisconsin US: Family Service America.