MLA
Teich, Curt, and Co. Down in Dixie : Five African American Boys next to a Fence [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/665h9w0vz3-cor.
APA, 6th edition
Teich, C., & C. Down in Dixie : five African American boys next to a fence [hand colored] (Box 70) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/665h9w0vz3-cor.
Chicago
Teich, Curt, and Co. “Down in Dixie : Five African American Boys next to a Fence [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/665h9w0vz3-cor.