APA (7th ed.) Citation

Großbritannien & Cannings, D. M. (1990). Policing in Europe towards 1992.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Großbritannien and Della M. Cannings. Policing in Europe Towards 1992. 1990.