The sleep-walker [graphic].
MLA
Gillray, James, 1756-1815, printmaker. The sleep-walker [graphic].. https://collections.library.yale.edu/catalog/11811440.
APA, 6th edition
Gillray, James, 1756-1815, printmaker. [The sleep-walker [graphic].]. https://collections.library.yale.edu/catalog/11811440.