Cita APA (7a ed.)

Lock, J. (1986). Blue murder?: Policemen under suspicion. Hale.

Cita Chicago Style (17a ed.)

Lock, Joan. Blue Murder?: Policemen Under Suspicion. London: Hale, 1986.

Cita MLA (8a ed.)

Lock, Joan. Blue Murder?: Policemen Under Suspicion. Hale, 1986.