MLA

Mills, Isaac, 1770-1857, printmaker. The foundlings [graphic]. publish'd March 1798.. https://collections.library.yale.edu/catalog/16893182.

APA, 6th edition

Mills, Isaac, 1770-1857, printmaker. (publish'd March 1798.)[The foundlings [graphic]]. https://collections.library.yale.edu/catalog/16893182.