@book{27799,
	author = {Freud, Anna  and Carcamo, Celes E. },
	title = {El yo y los mecanismos de defensa / },
	publisher = {Paidós, },
	year = {1977},
	series = {Biblioteca del hombre contemporáneo ; },
	address = {Buenos Aires : },
	edition = {1ª ed.}
}