MLA
Sherman, Ron. 1974 Democratic Mini-Convention in Kansas City, Missouri - Hubert Humphrey. 1974. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 2, Folder 21. https://digital.library.emory.edu/purl/675r7sqvv4-cor.
APA, 6th edition
Sherman, R. (1974). 1974 Democratic Mini-Convention in Kansas City, Missouri - Hubert Humphrey (Box 2, Folder 21) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/675r7sqvv4-cor.
Chicago
Sherman, Ron. “1974 Democratic Mini-Convention in Kansas City, Missouri - Hubert Humphrey.” Black-and-white photographs. Ron Sherman Photographs Collection, 1974. Box 2, Folder 21. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/675r7sqvv4-cor.