MLA
A Portable Conveyor at Steelton Plant on March 3rd, 1927. 1927. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 29. https://digital.library.emory.edu/purl/95269p8d4b-cor.
APA, 6th edition
A portable conveyor at Steelton Plant on March 3rd, 1927 (Box 29). (1927). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95269p8d4b-cor.
Chicago
“A Portable Conveyor at Steelton Plant on March 3rd, 1927.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1927. Box 29. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/95269p8d4b-cor.