MLA
Elkins, Charles. Booker T. Washington Birthplace. 1856. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/047rn8pk21-cor.
APA, 6th edition
Elkins, C. (1856). Booker T. Washington birthplace (Box 71) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/047rn8pk21-cor.
Chicago
Elkins, Charles. “Booker T. Washington Birthplace.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1856. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/047rn8pk21-cor.