MLA

Miss Martha Ray [Graphic]. Published 1st of May 1779 by Fielding & Walker, Pater Noster Row, 0AD. https://collections.library.yale.edu/catalog/17480296.

APA, 6th edition

Miss Martha Ray [graphic]. (0 C.E.). [Portrait prints, Etchings England London 1779, Engravings England London 1779]. Published 1st of May 1779 by Fielding & Walker, Pater Noster Row. https://collections.library.yale.edu/catalog/17480296.