@book{22345,
	author = {Ortega y Gasset, José, and Salmerón, Fernando,},
	title = {El tema de nuestro tiempo ;},
	publisher = {Porrúa },
	year = {2005.},
	series = {Sepan cuantos ;},
	address = {México },
	edition = {4a ed.},
	note = {Incluye índice}
}