@book{1778,
	author = {León, Luis de,},
	title = {Poesías completas de Fray Luis de León.},
	publisher = {Aguilar, S.A., Ediciones,},
	year = {1968.},
	series = {Colección Crisol},
	address = {Madrid :},
	edition = {Sexta edición, 1968.}
}