Cita APA (7a ed.)

Emsley, C. (1991). The English police: A political and social history (1. publ.). Harvester Wheatsheaf [u.a.].

Cita Chicago Style (17a ed.)

Emsley, Clive. The English Police: A Political and Social History. 1. publ. Hemel Hempstead, Hertfordshire: Harvester Wheatsheaf [u.a.], 1991.

Cita MLA (8a ed.)

Emsley, Clive. The English Police: A Political and Social History. 1. publ. Harvester Wheatsheaf [u.a.], 1991.