MLA

Mortimer, John Hamilton, 1740-1779, printmaker. Iphigenia's late procession from Kingston to Bristol [graphic]. Apl. 15, 1776 [not before 16 May 1776]. https://collections.library.yale.edu/catalog/33191015.

APA, 6th edition

Mortimer, John Hamilton, 1740-1779, printmaker. (Apl. 15, 1776 [not before 16 May 1776])[Iphigenia's late procession from Kingston to Bristol [graphic]]. https://collections.library.yale.edu/catalog/33191015.