MLA

Her Royal Highness Caroline Princess of Wales [Graphic]. Published 25th March 1795, by Laurie & Whittle, 53, Fleet Street, London, 0AD. https://collections.library.yale.edu/catalog/33191937.

APA, 6th edition

Her Royal Highness Caroline Princess of Wales [graphic]. (0 C.E.). [Portrait prints, Mezzotints England London 1795]. Published 25th March 1795, by Laurie & Whittle, 53, Fleet Street, London. https://collections.library.yale.edu/catalog/33191937.