@book{100018,
	author = {Martínez Sierra, Gregorio, and Martínez Sierra, María,},
	title = {Feminismo, feminidad, españolismo / },
	publisher = {[Saturnino Calleja, },
	year = {1920]},
	series = {Obras completas},
	address = {Madrid : },
	url = {https://archive.org/details/feminismofemini00siergoog/page/n8/mode/2up}
}