@book{29,
	author = {Gilbert, Anthony and Cotta, J. A. },
	title = {Una larga sombra /},
	publisher = {Emecé, },
	year = {2015},
	series = {El séptimo círculo / colección creada por Jorge Luis Borges y Adolfo Bioy Casares},
	address = {Buenos Aires :},
	edition = {1a ed.}
}