@book{21970,
	author = {Cetina, Gutierre de, and Hazañas y la Rúa, Joaquín,},
	title = {Obras de Gutierre de Cetina /},
	publisher = {Porrúa  },
	year = {1990.},
	series = {Sepan cuantos-...;},
	address = {México },
	edition = {2a ed.}
}