MLA
Two Men and a Woman Holding Drinking Glasses, Standing in Front of a Table with Bowls and Pitchers of Different Beverages. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 28. https://digital.library.emory.edu/purl/262s4mw6r6-cor.
APA, 6th edition
Two men and a woman holding drinking glasses, standing in front of a table with bowls and pitchers of different beverages (Box 28). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/262s4mw6r6-cor.
Chicago
“Two Men and a Woman Holding Drinking Glasses, Standing in Front of a Table with Bowls and Pitchers of Different Beverages.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 28. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/262s4mw6r6-cor.