Cita APA (7a ed.)

Shulman, L. (1986). The Skills of helping: : individuals and groups (2nd ed.). Peacock.

Cita Chicago Style (17a ed.)

Shulman, Lawrence. The Skills of Helping: : Individuals and Groups. 2nd ed. Itasca: Peacock, 1986.

Cita MLA (9a ed.)

Shulman, Lawrence. The Skills of Helping: : Individuals and Groups. 2nd ed. Peacock, 1986.