@Misc{BVMC:240213, author = {Costa, Joaquín}, title = {[Carta de Joaquín Costa a Benito Pérez Galdós, Graus, 29 de junio de 1907]}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2001}, year = {2001}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcc8279} }