@book{44057,
	author = {Xirau, Ramón,},
	title = {Ciudades /},
	publisher = {Fondo de Cultura Económica,},
	year = {2012.},
	series = {Centzontle},
	address = {México, D.F. :},
	edition = {Primera edición electrónica.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/43194/}
}