@book{1755,
	author = {Yourcenar, Marguerite and Sarde, Michèle, ed.},
	title = {Cartas a sus amigos /},
	publisher = {Alfaguara,},
	year = {2000.},
	address = {Madrid :},
	edition = {1a. ed.},
	note = {Incluye índice}
}