Cita APA (7a ed.)

Parrett, L. J. (1992). Past, present and future roles of civilians in the police service. Home Office, Police Research Group.

Cita Chicago Style (17a ed.)

Parrett, Leslie J. Past, Present and Future Roles of Civilians in the Police Service. London: Home Office, Police Research Group, 1992.

Cita MLA (8a ed.)

Parrett, Leslie J. Past, Present and Future Roles of Civilians in the Police Service. Home Office, Police Research Group, 1992.