@book{279900,
	author = {El Cid Campeador. and Menéndez Pidal, Ramón,},
	title = {Poema del Mio Cid.},
	publisher = {Editorial Vosgos,},
	year = {1975.},
	series = {Grandes Maestros/Colección Universal ;},
	address = {Barcelona :},
	edition = {Cuarta edición}
}