MLA
Co., Copr. Detroit Publishing. A Group of Men at a Cotton Yard [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/8945qfttjk-cor.
APA, 6th edition
Co., C. D. P. A group of men at a cotton yard [hand colored] (Box 68) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8945qfttjk-cor.
Chicago
Co., Copr. Detroit Publishing. “A Group of Men at a Cotton Yard [Hand Colored].” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8945qfttjk-cor.