Cita APA (7a ed.)

Critchley, T. A. (1972). A history of police in England and Wales (2. ed. rev. enl.). Patterson Smith.

Cita Chicago Style (17a ed.)

Critchley, Thomas A. A History of Police in England and Wales. 2. ed. rev. enl. Montclair, N.J: Patterson Smith, 1972.

Cita MLA (9a ed.)

Critchley, Thomas A. A History of Police in England and Wales. 2. ed. rev. enl. Patterson Smith, 1972.