@book{282042,
	author = {Pérez Galdós, Benito, and Silva Tena, Teresa.},
	title = {Doña Perfecta.  Misericordia /},
	publisher = {Editorial Porrua,},
	year = {1973.},
	series = {Colección "Sepan Cuántos...";},
	address = {México :},
	edition = {Tercera edición}
}