[Shields] [art original].
MLA
Tovey, J., active 1793-1801, artist. [Shields] [art original].. [ca. 1793]. https://collections.library.yale.edu/catalog/16703581.
APA, 6th edition
Tovey, J., active 1793-1801, artist. ([ca. 1793])[[Shields] [art original].]. https://collections.library.yale.edu/catalog/16703581.