MLA
Sherman, Ron. Howard "Bo" Callaway in Crested Butte, Colorado. 1972. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 1, Folder 66. https://digital.library.emory.edu/purl/781jh9w1fb-cor.
APA, 6th edition
Sherman, R. (1972). Howard "Bo" Callaway in Crested Butte, Colorado (Box 1, Folder 66) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w1fb-cor.
Chicago
Sherman, Ron. “Howard ‘Bo’ Callaway in Crested Butte, Colorado.” Black-and-white photographs. Ron Sherman Photographs Collection, 1972. Box 1, Folder 66. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/781jh9w1fb-cor.