MLA
Layne, Cecil. Man at Stand in Front of Seated Men under Paintings. 1947. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 31. https://digital.library.emory.edu/purl/310jsxkss5-cor.
APA, 6th edition
Layne, C. (1947). Man at stand in front of seated men under paintings (Box 31) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/310jsxkss5-cor.
Chicago
Layne, Cecil. “Man at Stand in Front of Seated Men under Paintings.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1947. Box 31. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/310jsxkss5-cor.