MLA

Heath, William, 1795-1840 artist. Monster soup commonly called Thames water being a correct represention [sic] of that precious stuff doled out to us!!! / [graphic]. [1828?]. https://collections.library.yale.edu/catalog/10970142.

APA, 6th edition

Heath, William, 1795-1840 artist. ([1828?])[Monster soup commonly called Thames water being a correct represention [sic] of that precious stuff doled out to us!!! / [graphic]]. https://collections.library.yale.edu/catalog/10970142.