MLA

Original Air Balloon [Graphic]. Pubd. as [the] act directs Decr. 29, 1783 by G. Humphrey, No. 48 Long Acre, 0AD. https://collections.library.yale.edu/catalog/10727322.

APA, 6th edition

Original air balloon [graphic]. (0 C.E.). [Satires (Visual works) England 1783, Etchings England London 1783]. Pubd. as [the] act directs Decr. 29, 1783 by G. Humphrey, No. 48 Long Acre. https://collections.library.yale.edu/catalog/10727322.