MLA

Faber, John, 1695?-1756, printmaker. The Rt. Honble. Ethelreda Viscountess Townshend only daughter to Edward Harrison of Balls, in [the] County of Hertford Esqr. / [graphic]. [1742]. https://collections.library.yale.edu/catalog/16729749.

APA, 6th edition

Faber, John, 1695?-1756, printmaker. ([1742])[The Rt. Honble. Ethelreda Viscountess Townshend only daughter to Edward Harrison of Balls, in [the] County of Hertford Esqr. / [graphic]]. https://collections.library.yale.edu/catalog/16729749.