Cite

The march of intellect [graphic]

MLA

Heath, Henry, active 1824-1850, printmaker. The march of intellect [graphic]. [April 1828]. https://collections.library.yale.edu/catalog/33114363.

APA, 6th edition

Heath, Henry, active 1824-1850, printmaker. ([April 1828])[The march of intellect [graphic]]. https://collections.library.yale.edu/catalog/33114363.