@book{93049,
	author = {Hardt, Michael, and Negri, Antonio, and ebrary, Inc.},
	title = {Commonwealth},
	publisher = {Belknap Press of Harvard University Press,},
	year = {2009.},
	address = {Cambridge, Mass. :},
	note = {Sequel to "Empire" and "Multitude."},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10402487}
}