MLA
Butler, C. G. Girl Holding an Umbrella. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 5. https://digital.library.emory.edu/purl/235gb5mkrt-cor.
APA, 6th edition
Butler, C. G. Girl holding an umbrella (Box 5) [Card photographs (photographs)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/235gb5mkrt-cor.
Chicago
Butler, C. G. “Girl Holding an Umbrella.” Card photographs (photographs). Robert Langmuir African American Photograph Collection, n.d. Box 5. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/235gb5mkrt-cor.