MLA
Progress., K. Salt & Pepper Philly. 1945. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 9. https://digital.library.emory.edu/purl/218dfn2z8z-cor.
APA, 6th edition
Progress., K. (1945). Salt & Pepper Philly (Box 9) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/218dfn2z8z-cor.
Chicago
Progress., K. “Salt & Pepper Philly.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1945. Box 9. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/218dfn2z8z-cor.