@book{2042,
	author = {Flessner, Bernd and Martín Maldonado, Olga},
	title = {Futuro},
	publisher = {Panamericana},
	year = {2019},
	series = {Cómo y por qué},
	address = {Bogotá},
	edition = {Primera edición},
	note = {Incluye glosario al final del texto }
}