MLA

Ruotte, Louis Charles, 1754-1806, printmaker. Two saints worshiping the Virgin in the clouds in the Carlo Maratti room at Houghton / [graphic]. [1 September 1787]. https://collections.library.yale.edu/catalog/33221011.

APA, 6th edition

Ruotte, Louis Charles, 1754-1806, printmaker. ([1 September 1787])[Two saints worshiping the Virgin in the clouds in the Carlo Maratti room at Houghton / [graphic]]. https://collections.library.yale.edu/catalog/33221011.