MLA
A Group of Men in Suits and an African American Woman in a Dress, Including Seven Noted Philadelphia Physicians, and A. Thomas 2nd Row Rom Top and 3rd from Right, Standing on the Steps of a Brick Building. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 50. https://digital.library.emory.edu/purl/7612ngf219-cor.
APA, 6th edition
A group of men in suits and an African American woman in a dress, including seven noted Philadelphia physicians, and A. Thomas 2nd row rom top and 3rd from right, standing on the steps of a brick building (Box 50). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7612ngf219-cor.
Chicago
“A Group of Men in Suits and an African American Woman in a Dress, Including Seven Noted Philadelphia Physicians, and A. Thomas 2nd Row Rom Top and 3rd from Right, Standing on the Steps of a Brick Building.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 50. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/7612ngf219-cor.