MLA

Luttrell, Edward, and printmaker. His Excellency Hamet Ben Hamet Ben Haddu Otter Ambassador Extraordinary from [the] Emperor of Fez & Morocco to His Matie. of Great Britain, Anno 1682 / [Graphic]. John Lloyd, 0AD. https://collections.library.yale.edu/catalog/16698368.

APA, 6th edition

Luttrell, E., & printmaker. (0 C.E.). His Excellency Hamet Ben Hamet Ben Haddu Otter Ambassador Extraordinary from [the] Emperor of Fez & Morocco to His Matie. of Great Britain, anno 1682 / [graphic] [Portrait prints, Mezzotints England London 1682]. John Lloyd. https://collections.library.yale.edu/catalog/16698368.