MLA
Men on Horses, Some Not, in Front of Tents. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19. https://digital.library.emory.edu/purl/5053ffbgmt-cor.
APA, 6th edition
Men on horses, some not, in front of tents (Box 19). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5053ffbgmt-cor.
Chicago
“Men on Horses, Some Not, in Front of Tents.” Black-and-white photographs. Langmuir Deposit - Sept 2020, n.d. Box 19. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5053ffbgmt-cor.