MLA

Williams, Charles, active 1797-1830, printmaker. Terrors of emancipation, or, A bugabo for old women and children [graphic].. [approximately April 1829]. https://collections.library.yale.edu/catalog/11128819.

APA, 6th edition

Williams, Charles, active 1797-1830, printmaker. ([approximately April 1829])[Terrors of emancipation, or, A bugabo for old women and children [graphic].]. https://collections.library.yale.edu/catalog/11128819.