MLA

Scott, B. F., and publisher printmaker. A Fencer [Graphic]. Publish'd by B.F. Scott, No. 18 Broad Court, Long Acre, 0AD. https://collections.library.yale.edu/catalog/16035067.

APA, 6th edition

Scott, B. F., & printmaker, publisher. (0 C.E.). A fencer [graphic] [Portrait prints, Mezzotints England London 1791, Annotations (Provenance) 18th century]. Publish'd by B.F. Scott, No. 18 Broad Court, Long Acre. https://collections.library.yale.edu/catalog/16035067.