@book{22327,
	author = {Cicerón, Marco Tulio,},
	title = {Tratado de la República  },
	publisher = {Porrúa  },
	year = {2004.},
	series = {Sepan cuantos ;},
	address = {México },
	edition = {10a ed.},
	note = {Incluye índice}
}