Pedro de Osma, Roa, . M., & Porras, J. d. (1496). [Explicit liber Ethicoru[m] cu[m] co[m]mento magistri osmensis. [Juan de Porras].
Chicago Style (17th ed.) CitationPedro de Osma, Magister Roa, and Juan de Porras. [Explicit Liber Ethicoru[m] Cu[m] Co[m]mento Magistri Osmensis. Impressum Salmantice: [Juan de Porras], 1496.
MLA (9th ed.) CitationPedro de Osma, et al. [Explicit Liber Ethicoru[m] Cu[m] Co[m]mento Magistri Osmensis. [Juan de Porras], 1496.
Warning: These citations may not always be 100% accurate.