APA (7th ed.) Citation

Dempsey, J. S. (2012). An introduction to policing (Sixth edition ; International edition.). Wadsworth Publishing.

Chicago Style (17th ed.) Citation

Dempsey, John S. An Introduction to Policing. Sixth edition ; International edition. Belmont, CA: Wadsworth Publishing, 2012.

MLA (9th ed.) Citation

Dempsey, John S. An Introduction to Policing. Sixth edition ; International edition. Wadsworth Publishing, 2012.

Warning: These citations may not always be 100% accurate.