Cita APA

Corey, M. S., & Marianne Schneider Corey; Gerald Corey. (2007). Becoming a helper. Belmont, CA: Thomson Higher Education.

Citación estilo Chicago

Corey, Marianne Schneider, y Marianne Schneider Corey; Gerald Corey. Becoming a Helper. Belmont, CA: Thomson Higher Education, 2007.

Cita MLA

Corey, Marianne Schneider, y Marianne Schneider Corey; Gerald Corey. Becoming a Helper. Belmont, CA: Thomson Higher Education, 2007.

Precaución: Estas citas no son 100% exactas.