MLA
Allgood, Susie W. Stringing the Banjo [Hand Colored] : African American Men with Possums, One Stringing a Banjo. 1909. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/549g4f4qvz-cor.
APA, 6th edition
Allgood, S. W. (1909). Stringing the banjo [hand colored] : African American men with possums, one stringing a banjo (Box 70) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/549g4f4qvz-cor.
Chicago
Allgood, Susie W. “Stringing the Banjo [Hand Colored] : African American Men with Possums, One Stringing a Banjo.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1909. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/549g4f4qvz-cor.