@Book{BVMC:704038, author = {Ramírez, María Guadalupe}, title = {[Carta de Guadalupe Ramírez a Francisco I. Madero. Douglas (E.U.A.), 24 de abril de 1911]}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2014}, year = {2014}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcvm655} }