MLA

Bentley, R. (Richard), 1708-1782, artist. [Preliminary elevation of the screen in the Holbein Chamber at Strawberryhill] [art original].. [1758 or 1759?]. https://collections.library.yale.edu/catalog/16193334.

APA, 6th edition

Bentley, R. (Richard), 1708-1782, artist. ([1758 or 1759?])[[Preliminary elevation of the screen in the Holbein Chamber at Strawberryhill] [art original].]. https://collections.library.yale.edu/catalog/16193334.