Willm. Wilson, commonly called Mortar Willie aged 107 / [graphic]
MLA
Kay, John, 1742-1826, printmaker. Willm. Wilson, commonly called Mortar Willie aged 107 / [graphic]. [1815]. https://collections.library.yale.edu/catalog/17339364.
APA, 6th edition
Kay, John, 1742-1826, printmaker. ([1815])[Willm. Wilson, commonly called Mortar Willie aged 107 / [graphic]]. https://collections.library.yale.edu/catalog/17339364.