@Misc{BVMC:240114, author = {Mayans y Siscar, Gregorio}, title = {Institutionum philosophiae moralis: Libri tres}, publisher = {Alacant : Biblioteca Virtual Miguel de Cervantes, 2001}, year = {2001}, url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc9s1p8} }