Wolf, R., & Jones, C. B. (2018). Volunteer police, choosing to serve: Exploring, comparing, and assessing volunteer policing in the United States and the United Kingdom. Routledge.
Chicago-Zitierstil (17. Ausg.)Wolf, Ross, und Carol Borland Jones. Volunteer Police, Choosing to Serve: Exploring, Comparing, and Assessing Volunteer Policing in the United States and the United Kingdom. New York ; London: Routledge, 2018.
MLA-Zitierstil (9. Ausg.)Wolf, Ross, und Carol Borland Jones. Volunteer Police, Choosing to Serve: Exploring, Comparing, and Assessing Volunteer Policing in the United States and the United Kingdom. Routledge, 2018.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.