@book{100062,
	author = {Martínez Sierra, Gregorio, and Martínez Sierra, María,},
	title = {Mamá : },
	publisher = {Renacimiento, },
	year = {1912.},
	address = {Madrid : },
	url = {https://archive.org/details/mamcomediaentres00mart/page/n9/mode/2up}
}