Cita APA (7th ed.)
Manning, P. K. (2003). Policing contingencies. University of Chicago Press.
Cita Chicago (17th ed.)
Manning, Peter K. Policing Contingencies. Chicago: University of Chicago Press, 2003.
Cita MLA (9th ed.)
Manning, Peter K. Policing Contingencies. University of Chicago Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.