Cite

The march of intellect [graphic]

MLA

Heath, William, 1795-1840, printmaker. The march of intellect [graphic]. [23 January 1828]. https://collections.library.yale.edu/catalog/11128755.

APA, 6th edition

Heath, William, 1795-1840, printmaker. ([23 January 1828])[The march of intellect [graphic]]. https://collections.library.yale.edu/catalog/11128755.