@Misc{BVMC:220729,
author = {Pérez Galdós, Benito},
title = {Rompecabezas : cuento},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2003},
year = {2003},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc79417}
}