MLA

Bentley, R. (Richard), 1708-1782, artist. A triangular Chinese house design'd for the Rt. Honble. Henry Fox at Holland House [art original]. [not after 1760]. https://collections.library.yale.edu/catalog/16193298.

APA, 6th edition

Bentley, R. (Richard), 1708-1782, artist. ([not after 1760])[A triangular Chinese house design'd for the Rt. Honble. Henry Fox at Holland House [art original]]. https://collections.library.yale.edu/catalog/16193298.