MLA

Heath, Henry, active 1824-1850, artist. It is a good plan after having made up a party of pleasure, as soon as you have all started, to say you are suddenly taken ill, and so for that day disappoint the whole party! [graphic].. [Jan. 1831]. https://collections.library.yale.edu/catalog/10971275.

APA, 6th edition

Heath, Henry, active 1824-1850, artist. ([Jan. 1831])[It is a good plan after having made up a party of pleasure, as soon as you have all started, to say you are suddenly taken ill, and so for that day disappoint the whole party! [graphic].]. https://collections.library.yale.edu/catalog/10971275.