Cita APA (7a ed.)

Home Office, Research and Planning Unit, & Heal, K. (1985). Policing today. Stat. Off.

Cita Chicago Style (17a ed.)

Home Office, Research and Planning Unit, y Kevin Heal. Policing Today. London: Stat. Off, 1985.

Cita MLA (8a ed.)

Home Office, Research and Planning Unit, y Kevin Heal. Policing Today. Stat. Off, 1985.