MLA

An Air Balloon Invented in the Last Century [Graphic]. Published by J. Sewell, Cornhill, 1AD. https://collections.library.yale.edu/catalog/10731096.

APA, 6th edition

An air balloon invented in the last century [graphic]. (1 C.E.). [Satires (Visual works) England 1789, Periodical illustrations, Etchings England London 1789]. Published by J. Sewell, Cornhill. https://collections.library.yale.edu/catalog/10731096.