@book{22211,
	author = {Espinel, Vicente  and Pérez de Guzmán, Juan.},
	title = {Vida de Marcos de Obregón /},
	publisher = {Porrúa, },
	year = {1987.},
	series = {Sepan cuantos ; },
	address = {México  },
	edition = {2a. ed.},
	note = {Incluye índice}
}