@Misc{BVMC:237078,
author = {Guillén, Nicolás},
title = {Balada de los dos abuelos},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2000},
year = {2000},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc1g0k4}
}