MLA
African American Cooks Standing Outside of the Officer's Mess Hall, Two of Them Holding Pieces of Meat, One Holding a Hacksaw, and Another a Plate. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 30. https://digital.library.emory.edu/purl/5805x69pdq-cor.
APA, 6th edition
African American cooks standing outside of the officer's mess hall, two of them holding pieces of meat, one holding a hacksaw, and another a plate (Box 30). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5805x69pdq-cor.
Chicago
“African American Cooks Standing Outside of the Officer's Mess Hall, Two of Them Holding Pieces of Meat, One Holding a Hacksaw, and Another a Plate.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 30. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/5805x69pdq-cor.