@book{253251,
	author = {National Network for Safe Communities (U.S.), and United States.},
	title = {Group violence intervention :},
	publisher = {U.S. Department of Justice, Office of Community Oriented Policing,},
	year = {2015.},
	address = {Washington, D.C. :},
	edition = {Revised 2015.},
	note = {"e12123529."},
	url = {http://purl.fdlp.gov/GPO/gpo69277}
}