Cita APA (7a ed.)

Wilkes, J., & Cairns, T. (1977). The London police in the nineteenth century (Topic book, 1. publ.). Cambridge Univ. Press.

Cita Chicago Style (17a ed.)

Wilkes, John, y Trevor Cairns. The London Police in the Nineteenth Century. Topic book, 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 1977.

Cita MLA (9a ed.)

Wilkes, John, y Trevor Cairns. The London Police in the Nineteenth Century. Topic book, 1. publ. Cambridge Univ. Press, 1977.