@book{122041,
	author = {Menéndez Pidal, Ramón,},
	title = {Poema de Mío Cid / },
	publisher = {Ed. Nacional, },
	year = {1970.},
	series = {Clásicos castellanos (Editora Nacional) ;},
	address = {México : },
	edition = {3ª ed. corr.}
}