MLA
Two Men Holding down a Horse That Is Tied at the Hooves, with Horses, a Tree and Fence in the Background. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 36. https://digital.library.emory.edu/purl/023vt4b8n2-cor.
APA, 6th edition
Two men holding down a horse that is tied at the hooves, with horses, a tree and fence in the background (Box 36). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/023vt4b8n2-cor.
Chicago
“Two Men Holding down a Horse That Is Tied at the Hooves, with Horses, a Tree and Fence in the Background.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 36. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/023vt4b8n2-cor.