@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}
}