MLA
Sherman, Ron. Mayors Speaking on Stage at US Conference of Mayors, Atlanta, Georgia. 1971. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 4, Folder 52. https://digital.library.emory.edu/purl/1913n5tbm4-cor.
APA, 6th edition
Sherman, R. (1971). Mayors speaking on stage at US Conference of Mayors, Atlanta, Georgia (Box 4, Folder 52) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tbm4-cor.
Chicago
Sherman, Ron. “Mayors Speaking on Stage at US Conference of Mayors, Atlanta, Georgia.” Black-and-white photographs. Ron Sherman Photographs Collection, 1971. Box 4, Folder 52. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/1913n5tbm4-cor.