Cite

James Watt [graphic]

MLA

Wagstaff, Charles Edward, 1808-1850, printmaker. James Watt [graphic]. [approximately 1809?]. https://collections.library.yale.edu/catalog/10993158.

APA, 6th edition

Wagstaff, Charles Edward, 1808-1850, printmaker. ([approximately 1809?])[James Watt [graphic]]. https://collections.library.yale.edu/catalog/10993158.