Cite

[Portrait of Henry Coventry, Secretary of State, Ambassador to Sweden and Breda] [art original].

MLA

Bullfinch, John, approximately 1680-approximately 1720, artist. [Portrait of Henry Coventry, Secretary of State, Ambassador to Sweden and Breda] [art original].. [ca. 1680?]. https://collections.library.yale.edu/catalog/11134614.

APA, 6th edition

Bullfinch, John, approximately 1680-approximately 1720, artist. ([ca. 1680?])[[Portrait of Henry Coventry, Secretary of State, Ambassador to Sweden and Breda] [art original].]. https://collections.library.yale.edu/catalog/11134614.