एपीए उद्धरण

Walker, S., & Katz, C. M. (2005). The police in America (5th ed.). New York: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Walker, Samuel., और Charles M. Katz. The Police in America. 5th ed. New York: McGraw-Hill, 2005.

एमएलए उद्धरण

Walker, Samuel., और Charles M. Katz. The Police in America. 5th ed. New York: McGraw-Hill, 2005.