@book{263025,
	author = {Bittner, Egon. and National Institute of Mental Health (U.S.)},
	title = {Functions of police in modern society :},
	year = {1970]},
	series = {Crime and delinquency issues, monograph series},
	address = {[Washington, D.C.,},
	note = {Center for Studies of Crime and Delinquency.}
}