@book{253489,
	author = {Usher, Laura, and United States.},
	title = {Preparing for the unimaginable :},
	publisher = {Community Oriented Policing Services, U.S. Department of Justice ;},
	year = {2016.},
	address = {Washington, DC :},
	note = {Title from title screen (viewed June 1, 2016).},
	url = {http://purl.fdlp.gov/GPO/gpo69950}
}