MLA

Supposed to Be a Correct Representation of a Mamaluke Chief from a Sketch by a French Officer by Whom He Was Taken Prisoner. [Graphic]. Pubd. Decr. 1st, 1798, by H. Humphrey, 27 St. Jamess [sic] Street, 0AD. https://collections.library.yale.edu/catalog/11860608.

APA, 6th edition

Supposed to be a correct representation of a Mamaluke chief from a sketch by a French officer by whom he was taken prisoner. [graphic]. (0 C.E.). [Satires (Visual works) England 1798, Etchings England London 1798]. Pubd. Decr. 1st, 1798, by H. Humphrey, 27 St. Jamess [sic] Street. https://collections.library.yale.edu/catalog/11860608.