@book{21998,
	author = {Menéndez y Pelayo, Marcelino, and Farinelli, Arturo.},
	title = {Historia de los heterodoxos españoles },
	publisher = {Porrúa },
	year = {1995.},
	series = {Sepan cuantos..;},
	address = {México },
	edition = {2a ed.},
	note = {Incluye índice.}
}