@book{112999,
	author = {Burns, Edward McNall},
	title = {Civilizaciones de occidente},
	publisher = {Ediciones Siglo Veinte},
	year = {c1976, 1982.},
	address = {Buenos Aires},
	edition = {13 ed. - 14 ed.},
	note = {Translation of: Western civilizations, their history and their culture.}
}