Trích dẫn APA

Walker, S., & Katz, C. M. (2005). The police in America: An introduction (Fifth edition.). McGraw Hill.

Chicago Style (17th ed.) Citation

Walker, Samuel, and Charles M. Katz. The Police in America: An Introduction. Fifth edition. New York: McGraw Hill, 2005.

Trích dẫn MLA

Walker, Samuel, and Charles M. Katz. The Police in America: An Introduction. Fifth edition. McGraw Hill, 2005.