@book{254305,
	author = {Kuhns, Joseph B., and United States.},
	title = {Understanding firearms assaults against law enforcement officers in the United States /},
	publisher = {Office of Community Oriented Policing Services, U.S. Department of Justice :},
	year = {2016.},
	address = {Washington, D.C. :},
	note = {Title from title screen (viewed Aug. 10, 2016).},
	url = {http://purl.fdlp.gov/GPO/gpo71088}
}