MLA
Allgood, Susie W. The Return from the Hunt : an African American Man with an Opossum on a Stick and Two Dogs in Front of Him. 1909. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/38279cnp7s-cor.
APA, 6th edition
Allgood, S. W. (1909). The return from the hunt : an African American man with an opossum on a stick and two dogs in front of him (Box 74) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/38279cnp7s-cor.
Chicago
Allgood, Susie W. “The Return from the Hunt : an African American Man with an Opossum on a Stick and Two Dogs in Front of Him.” Postcards. Robert Langmuir African American Photograph Collection, 1909. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/38279cnp7s-cor.