@Book{BVMC:927429, author = {Contreras B., F.}, title = {Carta de F. Contreras B. a Rafael Altamira. Guatemala, 24 de junio de 1910}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2018}, year = {2018}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc0927429} }