@book{84190,
	author = {Nietzche, Federico and Fischl, Johann,},
	title = {Mas allá del bien y del mal, Genealogía de la moral},
	publisher = {Porrúa, },
	year = {1999},
	series = {Sepan Cuántos...:},
	address = {México :},
	edition = {6a ed.}
}