MLA

Ireland, Anna Maria, and printmaker. The Right Hon. Gustavus Lord Viscount Boyne &c [Graphic]. S. Ireland?, 0AD. https://collections.library.yale.edu/catalog/16194055.

APA, 6th edition

Ireland, A. M., & printmaker. (0 C.E.). The Right Hon. Gustavus Lord Viscount Boyne &c [graphic] [Portrait prints, Etchings England London 1794, Annotations (Provenance) 18th century]. S. Ireland? https://collections.library.yale.edu/catalog/16194055.