MLA
Miller, Sam. Four African American Wearing Suits and Talking in Philadelphia, Pa. 1969. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 15. https://digital.library.emory.edu/purl/269m37pvtw-cor.
APA, 6th edition
Miller, S. (1969). Four African American wearing suits and talking in Philadelphia, Pa. (Box 15) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvtw-cor.
Chicago
Miller, Sam. “Four African American Wearing Suits and Talking in Philadelphia, Pa.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1969. Box 15. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvtw-cor.