Cita APA (7a ed.)

Martin, J. P., & Wilson, G. (1969). The police - a study in manpower: The evolution of the service in England and Wales; 1829 - 1965. Cambridge studies in criminology.

Cita Chicago Style (17a ed.)

Martin, John P., y Gail Wilson. "The Police - a Study in Manpower: The Evolution of the Service in England and Wales; 1829 - 1965." Cambridge Studies in Criminology 1969.

Cita MLA (8a ed.)

Martin, John P., y Gail Wilson. "The Police - a Study in Manpower: The Evolution of the Service in England and Wales; 1829 - 1965." Cambridge Studies in Criminology, 1969.