MLA

Schenk, Peter, 1661-1711, printmaker. Ioh. Dux Marlborough, March. Blanfort Com. Marlbor. Bar. Churchill, Sandridge, Aumouth Regiar. Copiar. ... , / [graphic]. [ca. 1722?]. https://collections.library.yale.edu/catalog/10985120.

APA, 6th edition

Schenk, Peter, 1661-1711, printmaker. ([ca. 1722?])[Ioh. Dux Marlborough, March. Blanfort Com. Marlbor. Bar. Churchill, Sandridge, Aumouth Regiar. Copiar. ... , / [graphic]]. https://collections.library.yale.edu/catalog/10985120.