MLA

Jacobus, de Cessolis, active 1288-1322. Iacobus de Cessolis; Jean Gerson. [between 1400 and 1500]. https://collections.library.yale.edu/catalog/9998473.

APA, 6th edition

Jacobus, de Cessolis, active 1288-1322. ([between 1400 and 1500])[Iacobus de Cessolis; Jean Gerson]. https://collections.library.yale.edu/catalog/9998473.