MLA
Two Men in Uniforms on Horses on Dirt Path. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 19. https://digital.library.emory.edu/purl/532d7wm3n9-cor.
APA, 6th edition
Two men in uniforms on horses on dirt path (Box 19). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/532d7wm3n9-cor.
Chicago
“Two Men in Uniforms on Horses on Dirt Path.” 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/532d7wm3n9-cor.