MLA

Harding, J. W., active 1796-1810, printmaker. Sr. Charles Hanbury Williams from an original picture in the possession of the Revd. Duncan Davies Monmouth / [graphic]. [3 May 1800]. https://collections.library.yale.edu/catalog/16193423.

APA, 6th edition

Harding, J. W., active 1796-1810, printmaker. ([3 May 1800])[Sr. Charles Hanbury Williams from an original picture in the possession of the Revd. Duncan Davies Monmouth / [graphic]]. https://collections.library.yale.edu/catalog/16193423.