MLA

Tovey, J., active 1793-1801, artist. Cognizances [art original].. [approximately 1793]. https://collections.library.yale.edu/catalog/16703571.

APA, 6th edition

Tovey, J., active 1793-1801, artist. ([approximately 1793])[Cognizances [art original].]. https://collections.library.yale.edu/catalog/16703571.