MLA
Picture of a Group of Ku Klux Klan Members Dressed in White Robes and Hoods. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 40. https://digital.library.emory.edu/purl/8601zcrjk4-cor.
APA, 6th edition
Picture of a group of Ku Klux Klan members dressed in white robes and hoods (Box 40). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8601zcrjk4-cor.
Chicago
“Picture of a Group of Ku Klux Klan Members Dressed in White Robes and Hoods.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 40. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8601zcrjk4-cor.