Cita APA (7a ed.)
Corey, M. S., & Corey, G. (2016). Becoming a helper (Seventh edition.). Cengage Learning.
Cita Chicago Style (17a ed.)
Corey, Marianne Schneider, y Gerald Corey. Becoming a Helper. Seventh edition. Boston, MA: Cengage Learning, 2016.
Cita MLA (9a ed.)
Corey, Marianne Schneider, y Gerald Corey. Becoming a Helper. Seventh edition. Cengage Learning, 2016.
Precaución: Estas citas no son 100% exactas.