MLA

Days of Prosperity, or, Congratulations for Johon [Sic] Bull!! [Graphic]. Im Verlage des Industrie-Comptoirs, 0AD. https://collections.library.yale.edu/catalog/10941275.

APA, 6th edition

Days of prosperity, or, Congratulations for Johon [sic] Bull!! [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) Germany 1799, Etchings Germany Weimar 1799, Watermarks (Paper)]. Im Verlage des Industrie-Comptoirs. https://collections.library.yale.edu/catalog/10941275.