MLA
Co., Detroit Photographic. Cotton on the Levee, New Orleans [Hand Colored]. 1901. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/129p2ngf4s-cor.
APA, 6th edition
Co., D. P. (1901). Cotton on the levee, New Orleans [hand colored] (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/129p2ngf4s-cor.
Chicago
Co., Detroit Photographic. “Cotton on the Levee, New Orleans [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, 1901. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/129p2ngf4s-cor.