Cite

[Design for a Gothic chimney-piece] [Alternative design for a Gothic chimney-piece]. [art original]

MLA

Miller, Sanderson, 1716-1780, artist. [Design for a Gothic chimney-piece] [Alternative design for a Gothic chimney-piece]. [art original]. [not after 1780]. https://collections.library.yale.edu/catalog/16034056.

APA, 6th edition

Miller, Sanderson, 1716-1780, artist. ([not after 1780])[[Design for a Gothic chimney-piece] [Alternative design for a Gothic chimney-piece]. [art original]]. https://collections.library.yale.edu/catalog/16034056.