MLA

The Regents Hack [Graphic]. Pub. by J. Sidebotham, L. Sackville St., 0AD. https://collections.library.yale.edu/catalog/10967648.

APA, 6th edition

The regents hack [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) Ireland 1812, Etchings Ireland Dublin 1812]. Pub. by J. Sidebotham, L. Sackville St. https://collections.library.yale.edu/catalog/10967648.