Walker, S. (1992). The police in America: An introduction (2nd ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationWalker, Samuel. The Police in America: An Introduction. 2nd ed. New York: McGraw-Hill, 1992.
MLA (8th ed.) CitationWalker, Samuel. The Police in America: An Introduction. 2nd ed. McGraw-Hill, 1992.
Warning: These citations may not always be 100% accurate.