MLA

Williams, Charles, active 1797-1830, printmaker. The Flushing phantasmagoria, or, Kings conjurors amusing John Bull [graphic]. [September 1809]. https://collections.library.yale.edu/catalog/15956801.

APA, 6th edition

Williams, Charles, active 1797-1830, printmaker. ([September 1809])[The Flushing phantasmagoria, or, Kings conjurors amusing John Bull [graphic]]. https://collections.library.yale.edu/catalog/15956801.