MLA

Morrison, Bewley Wynne, active 1750-1775, printmaker. Thomas Betts, glass cutter, at the cut glass manufactory opposite Pell-Mell Charing Cross, London ... [graphic]. [approximately 1757]. https://collections.library.yale.edu/catalog/16830712.

APA, 6th edition

Morrison, Bewley Wynne, active 1750-1775, printmaker. ([approximately 1757])[Thomas Betts, glass cutter, at the cut glass manufactory opposite Pell-Mell Charing Cross, London ... [graphic]]. https://collections.library.yale.edu/catalog/16830712.