Cite

What a treat! [graphic]

MLA

Heath, Henry, active 1824-1850, printmaker. What a treat! [graphic]. [1829]. https://collections.library.yale.edu/catalog/11128776.

APA, 6th edition

Heath, Henry, active 1824-1850, printmaker. ([1829])[What a treat! [graphic]]. https://collections.library.yale.edu/catalog/11128776.