MLA
Co., H. C. White. All Coons Look Alike : African American Children Looking over a Fence. 1901. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 64. https://digital.library.emory.edu/purl/351hhmgqrc-cor.
APA, 6th edition
Co., H. C. W. (1901). All coons look alike : African American children looking over a fence (Box 64) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/351hhmgqrc-cor.
Chicago
Co., H.C. White. “All Coons Look Alike : African American Children Looking over a Fence.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1901. Box 64. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/351hhmgqrc-cor.