Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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