Pen-etration [graphic] / Js. Gillray des. & ft.
MLA
Gillray, James, 1756-1815, printmaker. Pen-etration [graphic] / Js. Gillray des. & ft.. 1799 August 6. https://collections.library.yale.edu/catalog/11860980.
APA, 6th edition
Gillray, James, 1756-1815, printmaker. (1799 August 6)[Pen-etration [graphic] / Js. Gillray des. & ft.]. https://collections.library.yale.edu/catalog/11860980.