MLA
Powers, W. F., and Co. Home of Georgias Blackies. 1900. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 5. https://digital.library.emory.edu/purl/163stqjq70-cor.
APA, 6th edition
Powers, W. F., & C. (1900). Home of Georgias blackies (Box 5) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/163stqjq70-cor.
Chicago
Powers, W.F., and Co. “Home of Georgias Blackies.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1900. Box 5. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/163stqjq70-cor.