Cita APA (7a ed.)

Bullock, R. (1992). Problem adolescents: An international view. Whiting & Birch.

Cita Chicago Style (17a ed.)

Bullock, Roger. Problem Adolescents: An International View. London: Whiting & Birch, 1992.

Cita MLA (8a ed.)

Bullock, Roger. Problem Adolescents: An International View. Whiting & Birch, 1992.