@book{273057,
	author = {Siegel, Larry J., and Senna, Joseph J.},
	title = {Essentials of criminal justice /},
	publisher = {Wadsworth/Thomson Learning,},
	year = {©2004},
	address = {Belmont, CA :},
	edition = {Fourth edition},
	note = {Senna's name appears first on the earlier editions.}
}