Cite

Sketch of the gallery at Strawberryhill [art original].

MLA

Bentley, R. (Richard), 1708-1782, artist. Sketch of the gallery at Strawberryhill [art original].. [approximately 1759]. https://collections.library.yale.edu/catalog/16193335.

APA, 6th edition

Bentley, R. (Richard), 1708-1782, artist. ([approximately 1759])[Sketch of the gallery at Strawberryhill [art original].]. https://collections.library.yale.edu/catalog/16193335.