@book{4147,
	author = {Catholic Church},
	title = {Rerum Novarum},
	publisher = {Editorial Apostolado de la Prensa},
	year = {1964.},
	series = {Las Grandes encíclicas papales. Documentos pontificios},
	address = {Madrid},
	edition = {2. ed.},
	note = {Translation of : Rerum Novarum.}
}