@Book{BVMC:986250, author = {Angulema, Luis Antonio de Borbón, duque de}, title = {Carta del Duque de Angulema a Fernando VII (6 de septiembre de 1823)}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2020}, year = {2020}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0986250} }