MLA

Roberts, James, 1725-1799, printmaker. The exact representation of those two very remarkable persons, Mr. Bamfield the Staffordshire giant, & Mr. Coan the Norfolk dwarf [graphic]. [4 May 1771]. https://collections.library.yale.edu/catalog/17338537.

APA, 6th edition

Roberts, James, 1725-1799, printmaker. ([4 May 1771])[The exact representation of those two very remarkable persons, Mr. Bamfield the Staffordshire giant, & Mr. Coan the Norfolk dwarf [graphic]]. https://collections.library.yale.edu/catalog/17338537.