MLA

Grozer, J. (Joseph), printmaker. The state of portrait & historical painting towards the latter end of the eighteenth century / [graphic]. [1798]. https://collections.library.yale.edu/catalog/33330824.

APA, 6th edition

Grozer, J. (Joseph), printmaker. ([1798])[The state of portrait & historical painting towards the latter end of the eighteenth century / [graphic]]. https://collections.library.yale.edu/catalog/33330824.