Cita APA (7a ed.)

Collins, J. (1992). Social skills training and the professional helper. Wiley.

Cita Chicago Style (17a ed.)

Collins, John. Social Skills Training and the Professional Helper. Chichester: Wiley, 1992.

Cita MLA (9a ed.)

Collins, John. Social Skills Training and the Professional Helper. Wiley, 1992.