@book{12718,
	author = {Zea, Leopoldo, },
	title = { El positivismo en México :},
	publisher = {Fondo de Cultura Económica, },
	year = {[1968]},
	series = {Secc. de obras de filosofía},
	address = {México :},
	note = {Reimpresiones: (10a, 2011)}
}