Cite

[Photo of Frederick Douglass].

MLA

[Photo of Frederick Douglass]. De Wolfe, Fiske & Co, 1893. https://collections.library.yale.edu/catalog/2005493.

APA, 6th edition

[Photo of Frederick Douglass]. (1893). [Frontispieces (Illustrations)]. De Wolfe, Fiske & Co. https://collections.library.yale.edu/catalog/2005493.