@Misc{BVMC:776448, author = {Pérez Galdós, Benito}, title = {Prólogo de Benito Pérez Galdós a "La Regenta"}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2017}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0g5n8} }