Cita APA (7th ed.)

Shulman, L. (1984). The Skills of helping: Individuals and groups (2nd ed.). F.E. Peacock Publishers.

Cita Chicago (17th ed.)

Shulman, Lawrence. The Skills of Helping: Individuals and Groups. 2nd ed. Itasca, Ill: F.E. Peacock Publishers, 1984.

Cita MLA (9th ed.)

Shulman, Lawrence. The Skills of Helping: Individuals and Groups. 2nd ed. F.E. Peacock Publishers, 1984.