@book{22222,
	author = {Villaverde,Cirilo. and Lazo, Raimundo},
	title = {Cecilia Valdés },
	publisher = {Porrúa },
	year = {1995.},
	series = {Sepan cuantos ; },
	address = {México },
	edition = {4a ed.},
	note = {Incluye índice.}
}