A spencer & a thread-paper [graphic].
MLA
Gillray, James, 1756-1815, printmaker. A spencer & a thread-paper [graphic].. 1792 May 17. https://collections.library.yale.edu/catalog/11859390.
APA, 6th edition
Gillray, James, 1756-1815, printmaker. (1792 May 17)[A spencer & a thread-paper [graphic].]. https://collections.library.yale.edu/catalog/11859390.