Cite

Half circle guard. Medium guard [graphic].

MLA

Rowlandson, Thomas, 1756-1827, printmaker. Half circle guard. Medium guard [graphic].. 1798 September 1. https://collections.library.yale.edu/catalog/11791715.

APA, 6th edition

Rowlandson, Thomas, 1756-1827, printmaker. (1798 September 1)[Half circle guard. Medium guard [graphic].]. https://collections.library.yale.edu/catalog/11791715.