MLA
Co., Kansas City Post Card. Caught : an African American Boy and Girl Holding Bundles of Sticks. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/552w3r22cq-cor.
APA, 6th edition
Co., K. C. P. C. Caught : an African American boy and girl holding bundles of sticks (Box 71) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/552w3r22cq-cor.
Chicago
Co., Kansas City Post Card. “Caught : an African American Boy and Girl Holding Bundles of Sticks.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/552w3r22cq-cor.