Cita APA (7a ed.)

Francis, P. (1997). Policing futures: The police, law enforcement and the twenty-first century. Macmillan [u.a.].

Cita Chicago Style (17a ed.)

Francis, Peter. Policing Futures: The Police, Law Enforcement and the Twenty-first Century. Basingstoke, Hampshire [u.a.]: Macmillan [u.a.], 1997.

Cita MLA (9a ed.)

Francis, Peter. Policing Futures: The Police, Law Enforcement and the Twenty-first Century. Macmillan [u.a.], 1997.