@book{172161,
	author = {Sierra, Justo. and Arnáiz y Freg, Arturo,},
	title = {Obras completas},
	publisher = {Universidad Nacional Autónoma de México,},
	year = {1956.},
	series = {Nueva Biblioteca Mexicana ;},
	address = {México :},
	edition = {2a ed.},
	note = {Incluye apéndice e índice.}
}