Which is right, or, Regular and quack opinions on the flushing fever [graphic].
MLA
Williams, Charles, active 1797-1830, printmaker. Which is right, or, Regular and quack opinions on the flushing fever [graphic].. [September 1809]. https://collections.library.yale.edu/catalog/17288813.
APA, 6th edition
Williams, Charles, active 1797-1830, printmaker. ([September 1809])[Which is right, or, Regular and quack opinions on the flushing fever [graphic].]. https://collections.library.yale.edu/catalog/17288813.