Walker, S., & Katz, C. M. (2010). The police in America: An introduction (7. ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationWalker, Samuel, and Charles M. Katz. The Police in America: An Introduction. 7. ed. New York, NY: McGraw-Hill, 2010.
MLA (9th ed.) CitationWalker, Samuel, and Charles M. Katz. The Police in America: An Introduction. 7. ed. McGraw-Hill, 2010.
Warning: These citations may not always be 100% accurate.