@Book{BVMC:703680, author = {Altamira, Rafael}, title = {Carta de Rafael Altamira a Archer Milton Huntington. Madrid, 20 de diciembre de 1913}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014}, year = {2014}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcqc1x4} }