Spencer, E. G. (1992). Police and the social order in German cities: The Düsseldorf District, 1848 - 1914. Northern Illinois Univ. Press.
Chicago Style (17th ed.) CitationSpencer, Elaine Glovka. Police and the Social Order in German Cities: The Düsseldorf District, 1848 - 1914. DeKalb, Ill: Northern Illinois Univ. Press, 1992.
MLA (9th ed.) CitationSpencer, Elaine Glovka. Police and the Social Order in German Cities: The Düsseldorf District, 1848 - 1914. Northern Illinois Univ. Press, 1992.
Warning: These citations may not always be 100% accurate.