MLA

Prosdocimus, de Beldemandis, -1428. Algorithmus. 22 February 1483.. https://collections.library.yale.edu/catalog/16986881.

APA, 6th edition

Prosdocimus, de Beldemandis, -1428. (22 February 1483.)[Algorithmus]. https://collections.library.yale.edu/catalog/16986881.