MLA

Political Mathematicians, Shaking the Broad Bottom'd Hemispheres [Graphic]. Im Verlage des Industrie-Comptoirs, 0AD. https://collections.library.yale.edu/catalog/15813928.

APA, 6th edition

Political mathematicians, shaking the broad bottom'd hemispheres [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) Germany 1807, Etchings Germany Weimar 1807, Periodical illustrations]. Im Verlage des Industrie-Comptoirs. https://collections.library.yale.edu/catalog/15813928.