MLA

Lady Strafford [Graphic]. Sold by Ryland & Bryer & Co. at the Kings Arms in Cornhill, 0AD. https://collections.library.yale.edu/catalog/16193458.

APA, 6th edition

Lady Strafford [graphic]. (0 C.E.). [Portrait prints, Mezzotints England London 1765]. Sold by Ryland & Bryer & Co. at the Kings Arms in Cornhill. https://collections.library.yale.edu/catalog/16193458.