@Misc{BVMC:252301, author = {Menéndez y Pelayo, Marcelino}, title = {Epistolario. Vol. 20. Diciembre 1908 - Abril 1910}, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2008}, year = {2008}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcgq7c6} }