@book{261568,
	author = {May, Christopher N. and Ides, Allan,},
	title = {Constitutional law national power and federalism  /},
	publisher = {Wolters Kluwer,},
	year = {©2016},
	series = {Examples & explanations},
	address = {New York :},
	edition = {Seventh Edition},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/ecip073/2006036026.html}
}