Cita APA (7a ed.)

London, Metropolitan Police Service, London, Metropolitan Police Authority, London Metropolitan Police Service, & London Metropolitan Police Authority. (2008). Policing London annual report. Metropolitan Police.

Cita Chicago Style (17a ed.)

London, Metropolitan Police Service, Metropolitan Police Authority London, London Metropolitan Police Service, y London Metropolitan Police Authority. Policing London Annual Report. London: Metropolitan Police, 2008.

Cita MLA (8a ed.)

London, Metropolitan Police Service, et al. Policing London Annual Report. Metropolitan Police, 2008.