MLA

Higden, Ranulf, -1364. Polychronicon. Box. [ca. 1475-1500]. https://collections.library.yale.edu/catalog/16371278.

APA, 6th edition

Higden, Ranulf, -1364. (["Box"])([ca. 1475-1500])[Polychronicon]. https://collections.library.yale.edu/catalog/16371278.