MLA
John Brown's Cabin : Entered According to Act of Congress, in the Year 1871. 1871. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 63. https://digital.library.emory.edu/purl/000000002r-cor.
APA, 6th edition
John Brown's cabin : entered according to Act of Congress, in the year 1871 (Box 63). (1871). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/000000002r-cor.
Chicago
“John Brown's Cabin : Entered According to Act of Congress, in the Year 1871.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, 1871. Box 63. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/000000002r-cor.