MLA
A Group of Men in Suits, Coats and Lodge Hats and African American Women in Dresses and Coats Standing by a Train on a Platform. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 40. https://digital.library.emory.edu/purl/723hx3ffh4-cor.
APA, 6th edition
A group of men in suits, coats and lodge hats and African American women in dresses and coats standing by a train on a platform (Box 40). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/723hx3ffh4-cor.
Chicago
“A Group of Men in Suits, Coats and Lodge Hats and African American Women in Dresses and Coats Standing by a Train on a Platform.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 40. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/723hx3ffh4-cor.