Cita APA (7th ed.)

Roberts, A. R. (1990). Crisis intervention handbook: Assessment, treatment and research. Wadsworth.

Cita Chicago (17th ed.)

Roberts, Alberts R. Crisis Intervention Handbook: Assessment, Treatment and Research. Belmont: Wadsworth, 1990.

Cita MLA (9th ed.)

Roberts, Alberts R. Crisis Intervention Handbook: Assessment, Treatment and Research. Wadsworth, 1990.