MLA
Co., Detroit Publishing. Steamer Loading Resin, Gulfport, Miss. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/890rr4xh2b-cor.
APA, 6th edition
Co., D. P. Steamer loading resin, Gulfport, Miss. (Box 71) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/890rr4xh2b-cor.
Chicago
Co., Detroit Publishing. “Steamer Loading Resin, Gulfport, Miss.” 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/890rr4xh2b-cor.