Supplementum Summae Pisanellae
MLA
Nicholas, of Osimo, -1453. Supplementum Summae Pisanellae. [ca. 1450]. https://collections.library.yale.edu/catalog/9998922.
APA, 6th edition
Nicholas, of Osimo, -1453. ([ca. 1450])[Supplementum Summae Pisanellae]. https://collections.library.yale.edu/catalog/9998922.