Cite

Advertising brochure for sulfur bitters, featuring an illustration of Frederick Douglass and his wife

MLA

Evans, Walter O. Advertising Brochure for Sulfur Bitters, Featuring an Illustration of Frederick Douglass and His Wife. 0AD. https://collections.library.yale.edu/catalog/17370316.

APA, 6th edition

Evans, W. O. (0 C.E.). Advertising brochure for sulfur bitters, featuring an illustration of Frederick Douglass and his wife. https://collections.library.yale.edu/catalog/17370316.