Cite

The grey mare the better horse [graphic] / Rowlandson invt. 1815.

MLA

The Grey Mare the Better Horse [Graphic] / Rowlandson Invt. 1815. 1815. https://collections.library.yale.edu/catalog/11799706.

APA, 6th edition

The grey mare the better horse [graphic] / Rowlandson invt. 1815. (1815). [Etchings--England--London--1815., Satires (Visual works)--England--1815.]. https://collections.library.yale.edu/catalog/11799706.