Cite

Iohn of Gaunt, King of Castile & Leon, Duke of Lancaster [graphic]

MLA

Vertue, George, 1684-1756, printmaker. Iohn of Gaunt, King of Castile & Leon, Duke of Lancaster [graphic]. [1735?]. https://collections.library.yale.edu/catalog/10977921.

APA, 6th edition

Vertue, George, 1684-1756, printmaker. ([1735?])[Iohn of Gaunt, King of Castile & Leon, Duke of Lancaster [graphic]]. https://collections.library.yale.edu/catalog/10977921.