MLA
Man next to Group of African American Men Holding Tools on Railroad Tracks. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 31. https://digital.library.emory.edu/purl/856n02v72b-cor.
APA, 6th edition
Man next to group of African American men holding tools on railroad tracks (Box 31). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v72b-cor.
Chicago
“Man next to Group of African American Men Holding Tools on Railroad Tracks.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 31. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v72b-cor.