@book{138074,
	author = {Bloch, Marc Léopold Benjamin},
	title = {Introducción a la historia},
	publisher = {Fondo de Cultura Económica},
	year = {1952},
	series = {Breviarios},
	address = {México},
	note = {Transaltion of : Apologie pour l'histoire ou métier d'historien}
}