MLA
Sherman, Ron. Southern Christian Leadership Conference March, Atlanta, Georgia. 1975. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 3, Folder 38. https://digital.library.emory.edu/purl/2085hqc03r-cor.
APA, 6th edition
Sherman, R. (1975). Southern Christian Leadership Conference march, Atlanta, Georgia (Box 3, Folder 38) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2085hqc03r-cor.
Chicago
Sherman, Ron. “Southern Christian Leadership Conference March, Atlanta, Georgia.” Black-and-white photographs. Ron Sherman Photographs Collection, 1975. Box 3, Folder 38. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/2085hqc03r-cor.