John Armstrong M.D. [graphic]
MLA
Fisher, Edward, 1722-approximately 1782, printmaker. John Armstrong M.D. [graphic]. [between 1760 and 1789?]. https://collections.library.yale.edu/catalog/33191857.
APA, 6th edition
Fisher, Edward, 1722-approximately 1782, printmaker. ([between 1760 and 1789?])[John Armstrong M.D. [graphic]]. https://collections.library.yale.edu/catalog/33191857.