MLA
Two African American Mechanics Standing in Front of an Automobile and a Pulley. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 29. https://digital.library.emory.edu/purl/211kh1896z-cor.
APA, 6th edition
Two African American mechanics standing in front of an automobile and a pulley (Box 29). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/211kh1896z-cor.
Chicago
“Two African American Mechanics Standing in Front of an Automobile and a Pulley.” 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/211kh1896z-cor.