Cite

The national political mad-house [graphic]

MLA

Keppler, Joseph Ferdinand, 1838-1894, printmaker. The national political mad-house [graphic]. [7 September 1887]. https://collections.library.yale.edu/catalog/17338359.

APA, 6th edition

Keppler, Joseph Ferdinand, 1838-1894, printmaker. ([7 September 1887])[The national political mad-house [graphic]]. https://collections.library.yale.edu/catalog/17338359.