MLA
Thirteen African American Men, All Wearing Hats, with Two Motor Testing Machines, at the Midwest Trade School. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 29. https://digital.library.emory.edu/purl/354xgxd294-cor.
APA, 6th edition
Thirteen African American men, all wearing hats, with two motor testing machines, at the Midwest Trade School (Box 29). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/354xgxd294-cor.
Chicago
“Thirteen African American Men, All Wearing Hats, with Two Motor Testing Machines, at the Midwest Trade School.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 29. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/354xgxd294-cor.