Cite

John, Earl of Eldon [graphic]

MLA

Porter, John, active 1824-1842, printmaker. John, Earl of Eldon [graphic]. [20 December 1844]. https://collections.library.yale.edu/catalog/33191877.

APA, 6th edition

Porter, John, active 1824-1842, printmaker. ([20 December 1844])[John, Earl of Eldon [graphic]]. https://collections.library.yale.edu/catalog/33191877.