@book{36975,
	author = {Mark, David John, and Sánchez García-Gutiérrez, Javier,},
	title = {El oscuro invierno :},
	publisher = {Siruela,},
	year = {junio de 2013.},
	series = {Nuevos tiempos ;},
	address = {Madrid :},
	edition = {Edición en formato digital.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/31884/}
}