MLA

Phillips, John, active 1825-1831, printmaker. An eclipse lately discoverd in the Georgium Sidus, and quite unexpected by any of the astronomers / [graphic]. 1829.. https://collections.library.yale.edu/catalog/33121271.

APA, 6th edition

Phillips, John, active 1825-1831, printmaker. (1829.)[An eclipse lately discoverd in the Georgium Sidus, and quite unexpected by any of the astronomers / [graphic]]. https://collections.library.yale.edu/catalog/33121271.