Cite

The kings of England sithen William the Conqueror, [circa 1475-1499].

MLA

Lydgate, John, 1370?-1451?. The kings of England sithen William the Conqueror, [circa 1475-1499].. Box. https://collections.library.yale.edu/catalog/10877313.

APA, 6th edition

Lydgate, John, 1370?-1451?. (["Box"])[The kings of England sithen William the Conqueror, [circa 1475-1499].]. https://collections.library.yale.edu/catalog/10877313.