@Misc{BVMC:231749, author = {Alas, Leopoldo}, title = {Tormento : novela original de D. Benito Pérez Galdós}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2007}, year = {2007}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcs4736} }