Cite

Oliver Cromwell, Lord Protector of the Common-wealth of England, Scotland and Ireland, &c. taken from an original picture Of S. Coopers in the possesion [sic] of Mr. Frankland / [graphic]

MLA

Vertue, George, 1684-1756, printmaker. Oliver Cromwell, Lord Protector of the Common-wealth of England, Scotland and Ireland, &c. taken from an original picture Of S. Coopers in the possesion [sic] of Mr. Frankland / [graphic]. [not before 1724]. https://collections.library.yale.edu/catalog/16193498.

APA, 6th edition

Vertue, George, 1684-1756, printmaker. ([not before 1724])[Oliver Cromwell, Lord Protector of the Common-wealth of England, Scotland and Ireland, &c. taken from an original picture Of S. Coopers in the possesion [sic] of Mr. Frankland / [graphic]]. https://collections.library.yale.edu/catalog/16193498.