Cita APA (7a ed.)

Hart, J. M. (1951). The British police. Allen & Unwin.

Cita Chicago Style (17a ed.)

Hart, James Morison. The British Police. London: Allen & Unwin, 1951.

Cita MLA (9a ed.)

Hart, James Morison. The British Police. Allen & Unwin, 1951.