Cite

Mrs. Clive in the character of Mrs. Heidelberg done from an original picture of the same size in the possession of Her Grace the Dutchess of Northumberland. [graphic]

MLA

Grignion, Charles, 1721-1810, printmaker. Mrs. Clive in the character of Mrs. Heidelberg done from an original picture of the same size in the possession of Her Grace the Dutchess of Northumberland. [graphic]. [1769]. https://collections.library.yale.edu/catalog/16729800.

APA, 6th edition

Grignion, Charles, 1721-1810, printmaker. ([1769])[Mrs. Clive in the character of Mrs. Heidelberg done from an original picture of the same size in the possession of Her Grace the Dutchess of Northumberland. [graphic]]. https://collections.library.yale.edu/catalog/16729800.