APA (7e ed.) Bronvermelding

Walker, S. (1992). The police in America: An introduction (2nd ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Walker, Samuel. The Police in America: An Introduction. 2nd ed. New York: McGraw-Hill, 1992.

MLA (8e ed.) Bronvermelding

Walker, Samuel. The Police in America: An Introduction. 2nd ed. McGraw-Hill, 1992.

Let op: Deze citaties zijn niet altijd 100% accuraat.