@book{35209,
	author = {Bloch, Marc Léopold Benjamin, and González Casanova, Pablo},
	title = {Introducción a la Historia /},
	publisher = {FCE },
	year = {1992, 1998, c1994.},
	series = {Breviarios del fondo de cultura económica; },
	address = {México },
	edition = {2a ed.},
	note = {Incluye índice}
}