Cita APA (7a ed.)

Monkkonen, E. H. (1981). Police in urban America: 1860-1920. Cambridge University Press.

Cita Chicago Style (17a ed.)

Monkkonen, Eric H. Police in Urban America: 1860-1920. Cambridge [Eng.]; New York: Cambridge University Press, 1981.

Cita MLA (9a ed.)

Monkkonen, Eric H. Police in Urban America: 1860-1920. Cambridge University Press, 1981.