MLA

Rowlandson, Thomas, 1756-1827, printmaker. Single combat in Moor-Fields, or, Magnanimous Paul O! Challenging all O! [graphic].. [30 January 1801]. https://collections.library.yale.edu/catalog/11791848.

APA, 6th edition

Rowlandson, Thomas, 1756-1827, printmaker. ([30 January 1801])[Single combat in Moor-Fields, or, Magnanimous Paul O! Challenging all O! [graphic].]. https://collections.library.yale.edu/catalog/11791848.