@book{36905,
	author = {Precht, Richard David, and Reguera, Isidoro,},
	title = {El arte de no ser egoísta :},
	publisher = {Siruela,},
	year = {septiembre de 2014.},
	series = {El ojo del tiempo ;},
	address = {Madrid :},
	edition = {Edición en formato digital.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/31773/}
}