MLA

The True Portrait of Christian Jacobsen Drakenberg [Graphic]. Publish'd accordg. to the act of Parliamt. for securing property, by Jn Spilsbury, Engraver, Map & Printseller in Russel [sic] Court, Covent Garden, London, 0AD. https://collections.library.yale.edu/catalog/10713280.

APA, 6th edition

The true portrait of Christian Jacobsen Drakenberg [graphic]. (0 C.E.). [Portrait prints, Engravings England London 1765, Etchings England London 1765]. Publish'd accordg. to the act of Parliamt. for securing property, by Jn Spilsbury, Engraver, Map & Printseller in Russel [sic] Court, Covent Garden, London. https://collections.library.yale.edu/catalog/10713280.