MLA
News, Emory University, and Publications Bureau. Performing Arts: Theatre, Unidentified Groups - Students (One Wearing Blackface) Performing Unidentified Play. Caption Reads "The KKK Gets Ready To Ride". 1960. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 24, Folder 2. https://digital.library.emory.edu/purl/617qnk99sp-cor.
APA, 6th edition
News, E. U., & Bureau, P. (1960). Performing arts: Theatre, unidentified groups - Students (one wearing blackface) performing unidentified play. Caption reads "The KKK Gets Ready To Ride" (Box 24, Folder 2) [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/617qnk99sp-cor.
Chicago
News, Emory University, and Publications Bureau. “Performing Arts: Theatre, Unidentified Groups - Students (One Wearing Blackface) Performing Unidentified Play. Caption Reads ‘The KKK Gets Ready To Ride.’” Black-and-white photographs. EU Office of Alumni Publications Photos Deposit Collection 2 , 1960. Box 24, Folder 2. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/617qnk99sp-cor.