@Book{BVMC:716087, author = {Valle, José Cecilio del}, title = {Carta de José Cecilio del Valle a Rudolph Ackermann. Guatemala, 25 de marzo de 1826}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2015}, year = {2015}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc5m834} }