MLA
Company., American News. Gregory Arch, the Southern Entrance to Old Nassau. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 75. https://digital.library.emory.edu/purl/9591893201-cor.
APA, 6th edition
Company., A. N. Gregory Arch, the southern entrance to Old Nassau (Box 75) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9591893201-cor.
Chicago
Company., American News. “Gregory Arch, the Southern Entrance to Old Nassau.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 75. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/9591893201-cor.