MLA

Boethius, -524. Boetij viri celeberrimi de [con]solatio[n]e phylosophie liber : cu[m] optimo [con]me[n]to Beati Thome.. 1497 pridie kalendas Januarij [31 Dec.]. https://collections.library.yale.edu/catalog/16189392.

APA, 6th edition

Boethius, -524. (1497 pridie kalendas Januarij [31 Dec.])[Boetij viri celeberrimi de [con]solatio[n]e phylosophie liber : cu[m] optimo [con]me[n]to Beati Thome.]. https://collections.library.yale.edu/catalog/16189392.