MLA

The Northern Con-Star-Nation, or, Wonderfull Phoenomenon, from the Observatory at Scone [Graphic]. [M. Darly], to be had in Cranforn Ally, 0AD. https://collections.library.yale.edu/catalog/10713052.

APA, 6th edition

The Northern Con-star-nation, or, Wonderfull phoenomenon, from the observatory at Scone [graphic]. (0 C.E.). [Caricatures and cartoons, Satires (Visual works) England 1762, Etchings England London 1762, Watermarks (Paper) G. R.]. [M. Darly], to be had in Cranforn Ally. https://collections.library.yale.edu/catalog/10713052.