Cita APA (7th ed.)

Hepworth, D. H. (1989). Direct social work practice: Theory and skills (3rd ed.). Wadsworth.

Cita Chicago (17th ed.)

Hepworth, Dean H. Direct Social Work Practice: Theory and Skills. 3rd ed. California: Wadsworth, 1989.

Cita MLA (9th ed.)

Hepworth, Dean H. Direct Social Work Practice: Theory and Skills. 3rd ed. Wadsworth, 1989.