@book{2929,
	author = {Freud, Sigmund,  and Rey Ardid, Ramón, },
	title = {El yo y el ello y otros escritos de metapsicología / },
	publisher = {Editorial Alianza, },
	year = {1980.},
	address = {Madrid : },
	edition = {6},
	note = {Incluye Indice.}
}