MLA
Starke, Mason. Woman Holding a Guitar, with a Man and Woman Standing next to Her. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 23. https://digital.library.emory.edu/purl/061djh9w44-cor.
APA, 6th edition
Starke, M. Woman holding a guitar, with a man and woman standing next to her (Box 23) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/061djh9w44-cor.
Chicago
Starke, Mason. “Woman Holding a Guitar, with a Man and Woman Standing next to Her.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 23. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/061djh9w44-cor.