@Misc{BVMC:230716, author = {Alba, Fernando Álvarez de Toledo, Duque de}, title = {Carta del Duque de Alba para el Rey}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2006}, year = {2006}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc6q1v2} }