@Misc{BVMC:221438, author = {Quevedo, Francisco de}, title = {[Poderoso caballero... Letrilla]}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, Unidad Audiovisual, 2003}, year = {2003}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmchd7q8} }