@book{22193,
	author = {Nietzsche, Federico and Tomlin, E.W.F.},
	title = {Así hablaba Zaratustra /},
	publisher = {Porrúa },
	year = {2004.},
	series = {Sepan Cuantos;},
	address = {México },
	edition = {9a ed.},
	note = {Incluye índice}
}