Cita APA

Webb, S. A., & Gray, M. (2013). Social work: Theories and methods (2nd ed.). SAGE.

Citación estilo Chicago

Webb, Stephen A., and Mel Gray. Social Work: Theories and Methods. 2nd ed. Los Angeles, London: SAGE, 2013.

Cita MLA

Webb, Stephen A., and Mel Gray. Social Work: Theories and Methods. 2nd ed. SAGE, 2013.