Cite

Maria Countess of Waldegrave [graphic]

MLA

Houston, Richard, 1721?-1775, printmaker. Maria Countess of Waldegrave [graphic]. [between 1766 and 1775]. https://collections.library.yale.edu/catalog/16194818.

APA, 6th edition

Houston, Richard, 1721?-1775, printmaker. ([between 1766 and 1775])[Maria Countess of Waldegrave [graphic]]. https://collections.library.yale.edu/catalog/16194818.