MLA

Edward Lord Herbert of Cherbury from a Miniature by Isaac Oliver in the Possession of the Rt. Honble. the Earl of Orford. [Graphic]. Publish'd as the act directs May 1st, 1797, by E. Jeffery, Pall Mall, 0AD. https://collections.library.yale.edu/catalog/16729684.

APA, 6th edition

Edward Lord Herbert of Cherbury from a miniature by Isaac Oliver in the possession of the Rt. Honble. the Earl of Orford. [graphic]. (0 C.E.). [Portrait prints, Crayon manner prints England London 1797, A la poupée prints England London 1797]. Publish'd as the act directs May 1st, 1797, by E. Jeffery, Pall Mall. https://collections.library.yale.edu/catalog/16729684.