@Book{BVMC:706943, author = {Madero, Francisco I.}, title = {[Carta de Francisco I. Madero a José de la Cruz Sánchez. Ciudad Juárez (Chihuahua), 4 de mayo de 1911]}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2015}, year = {2015}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmck08z8} }