Stallion, M., & Wall, D. (1999). The British police: Police forces and chief officers, 1829 - 2000. Police History Society.
Chicago Style (17th ed.) CitationStallion, Martin, and David Wall. The British Police: Police Forces and Chief Officers, 1829 - 2000. Bramshill: Police History Society, 1999.
MLA (8th ed.) CitationStallion, Martin, and David Wall. The British Police: Police Forces and Chief Officers, 1829 - 2000. Police History Society, 1999.
Warning: These citations may not always be 100% accurate.