@book{240064,
	author = {U.S. Citizenship and Immigration Services.},
	title = {Learn about the United States},
	publisher = {U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services},
	year = {2013.},
	address = {[Washington, D.C.]},
	edition = {Rev. 01/13.},
	note = {Cover title.},
	url = {http://purl.fdlp.gov/GPO/gpo36665}
}