APA (7th ed.) Citation

Greenberg, M. A. (2001). The evolution of volunteer police in America.

Chicago Style (17th ed.) Citation

Greenberg, Martin Alan. The Evolution of Volunteer Police in America. 2001.

MLA (9th ed.) Citation

Greenberg, Martin Alan. The Evolution of Volunteer Police in America. 2001.

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