Cita APA (7a ed.)

Schram, B., & Mandell, B. R. Human services: Strategies of intervention. Wiley.

Cita Chicago Style (17a ed.)

Schram, Barbara, y Betty Reid Mandell. Human Services: Strategies of Intervention. New York [u.a.]: Wiley.

Cita MLA (8a ed.)

Schram, Barbara, y Betty Reid Mandell. Human Services: Strategies of Intervention. Wiley.