Cite

Six classes of that noble and useful animal a horse [graphic]

MLA

Rowlandson, Thomas, 1756-1827, printmaker. Six classes of that noble and useful animal a horse [graphic]. [not before 10 October 1811]. https://collections.library.yale.edu/catalog/16871345.

APA, 6th edition

Rowlandson, Thomas, 1756-1827, printmaker. ([not before 10 October 1811])[Six classes of that noble and useful animal a horse [graphic]]. https://collections.library.yale.edu/catalog/16871345.