@Book{BVMC:703410, title = {[Carta a Francisco I. Madero. El Paso (E.U.A.), 22 de abril de 1911]}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014}, year = {2014}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc8k955} }