@Book{BVMC:742940, author = {Cartagena, Alfonso de}, title = {Epistola directa ad inclitum et magnificum virum dominum Petrum Fernandi de Velasco Comitem de Haro Alonso de Cartagena }, publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2016}, year = {2016}, url = {https://www.cervantesvirtual.com/obra/epistola} }