Cite

Conference between the Earl of Portland and Marshall Bouflers [graphic]

MLA

Grignion, Charles, 1721-1810, printmaker. Conference between the Earl of Portland and Marshall Bouflers [graphic]. [1771]. https://collections.library.yale.edu/catalog/10715676.

APA, 6th edition

Grignion, Charles, 1721-1810, printmaker. ([1771])[Conference between the Earl of Portland and Marshall Bouflers [graphic]]. https://collections.library.yale.edu/catalog/10715676.