Cite

A sphere projecting against a plane [graphic].

MLA

Gillray, James, 1756-1815, printmaker. A sphere projecting against a plane [graphic].. 1792 January 3. https://collections.library.yale.edu/catalog/11859379.

APA, 6th edition

Gillray, James, 1756-1815, printmaker. (1792 January 3)[A sphere projecting against a plane [graphic].]. https://collections.library.yale.edu/catalog/11859379.