MLA

Magnus, Charles, and lithographer. Bowling Green. Charles Magnus, 0AD. https://collections.library.yale.edu/catalog/2015962.

APA, 6th edition

Magnus, C., & lithographer. (0 C.E.). Bowling Green [Pictorial works, Lithographs Hand-colored, Letterheads, Lithographs]. Charles Magnus. https://collections.library.yale.edu/catalog/2015962.