Hell broke loose, Billy & his gang working the swine [graphic]
MLA
O'Keefe, W., active 1794-1805, artist. Hell broke loose, Billy & his gang working the swine [graphic]. [ca. 1795?]. https://collections.library.yale.edu/catalog/17288816.
APA, 6th edition
O'Keefe, W., active 1794-1805, artist. ([ca. 1795?])[Hell broke loose, Billy & his gang working the swine [graphic]]. https://collections.library.yale.edu/catalog/17288816.