Cite

[Photograph of Mrs. Thornton Niven and her daughter Charlotte]

MLA

Niven, Archibald Campbell. [Photograph of Mrs. Thornton Niven and Her Daughter Charlotte]. 1891. https://collections.library.yale.edu/catalog/2040412.

APA, 6th edition

Niven, A. C. (1891). [Photograph of Mrs. Thornton Niven and her daughter Charlotte] [Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2040412.