MLA

Ravenet, Simon François, 1706-1774, printmaker. The landing of Julius Caesar an. ant. Chr. 55 Rom. 699 = Le débarquement de Jules César / [graphic]. [not before 1751]. https://collections.library.yale.edu/catalog/15808868.

APA, 6th edition

Ravenet, Simon François, 1706-1774, printmaker. ([not before 1751])[The landing of Julius Caesar an. ant. Chr. 55 Rom. 699 = Le débarquement de Jules César / [graphic]]. https://collections.library.yale.edu/catalog/15808868.