@book{157039,
	author = {Cicerón, Marco Tulio, 106-43 a.C and Séneca, Lucio Anneo, 4 a.c - 65 d.c},
	title = {Tratados morales /},
	publisher = {Editorial Cumbre},
	year = {1978},
	series = {Los clásicos},
	address = {México D. F.},
	edition = {11a. ed.}
}