@book{200448,
	author = {Macionis, John J. and Parrillo, Vincent N.},
	title = {Cities and urban life},
	publisher = {Pearson Prentice Hall},
	year = {c2007.},
	address = {Upper Saddle River, N.J.},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip067/2006002780.html}
}