@book{25058,
	author = {Nef, John U },
	title = {The United States and civilization},
	publisher = {University of Chicago Press, },
	year = {c1942, 1967},
	address = {Chicago : },
	edition = {1 ed.},
	note = {Estudio de la civilización incluyendo la influencia de la religión y la educación}
}