Petrov, S. (1994). Policing morals: The Metropolitan Police and the Home Office, 1870 - 1914. Clarendon Press.
Cita Chicago Style (17a ed.)Petrov, Stefan. Policing Morals: The Metropolitan Police and the Home Office, 1870 - 1914. Oxford [u.a.]: Clarendon Press, 1994.
Cita MLA (8a ed.)Petrov, Stefan. Policing Morals: The Metropolitan Police and the Home Office, 1870 - 1914. Clarendon Press, 1994.
Precaución: Estas citas no son 100% exactas.