Citazione Stile APA (7a Edizione)

SHULMAN, L. (1984). The skills of helping: Individuals and groups.-- Ed.2. F E Peacock Pub.

Citazione stile Chigago Style (17a edizione)

SHULMAN, Lawrence. The Skills of Helping: Individuals and Groups.-- Ed.2. Itasca: F E Peacock Pub, 1984.

Citatione MLA (9a ed.)

SHULMAN, Lawrence. The Skills of Helping: Individuals and Groups.-- Ed.2. F E Peacock Pub, 1984.