Cita APA (7a ed.)

Blagg, H., & Smith, D. (1989). Crime, penal policy and social work. Longman.

Cita Chicago Style (17a ed.)

Blagg, Harry, y David Smith. Crime, Penal Policy and Social Work. Harlow: Longman, 1989.

Cita MLA (9a ed.)

Blagg, Harry, y David Smith. Crime, Penal Policy and Social Work. Longman, 1989.