Cita APA (7a ed.)

Großbritannien Devon and Cornwall Constabulary & Cannings, D. M. (1990). Policing in Europe towards 1992.

Cita Chicago Style (17a ed.)

Großbritannien Devon and Cornwall Constabulary y Della M. Cannings. Policing in Europe Towards 1992. [Exeter], 1990.

Cita MLA (9a ed.)

Großbritannien Devon and Cornwall Constabulary y Della M. Cannings. Policing in Europe Towards 1992. 1990.