@book{71722,
	author = {Ackerman, Nathan Ward and Jewish Family Service (New York, N.Y.)},
	title = {Teoría y práctica de la psicoterapia familiar},
	publisher = {Editorial Proteo,},
	year = {1970.},
	address = {Buenos Aires},
	note = {Translation of : Expanding theory and practice in family therapy.}
}