@book{100010,
	author = {Martínez Sierra, Gregorio, and Martínez Sierra, María,},
	title = {Don Juan de España : },
	editor = {Tip. Artística)},
	publisher = {Saturnino Calleja, },
	year = {1921 (},
	series = {Obras completas},
	address = {Madrid : }
}