MLA
Bob Montgomery in Sumter, South Carolina : Lightweight Champion of the World. 1943. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/395w6m908g-cor.
APA, 6th edition
Bob Montgomery in Sumter, South Carolina : lightweight champion of the world (Box 74). (1943). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/395w6m908g-cor.
Chicago
“Bob Montgomery in Sumter, South Carolina : Lightweight Champion of the World.” Postcards. Robert Langmuir African American Photograph Collection, 1943. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/395w6m908g-cor.