Morris, R. M. (2004). The Metropolitan police and government, 1860-1920. https://doi.org/10.21954/ou.ro.0000e8b8
Cita Chicago Style (17a ed.)Morris, Robert Matthew. The Metropolitan Police and Government, 1860-1920. 2004. https://doi.org/10.21954/ou.ro.0000e8b8.
Cita MLA (9a ed.)Morris, Robert Matthew. The Metropolitan Police and Government, 1860-1920. 2004. https://doi.org/10.21954/ou.ro.0000e8b8.
Precaución: Estas citas no son 100% exactas.