MLA
Loading Cotton for Export on the Levee, New Orleans, La. [Hand Colored]. 1915. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/651vdncjxc-cor.
APA, 6th edition
Loading cotton for export on the levee, New Orleans, La. [hand colored] (Box 68). (1915). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/651vdncjxc-cor.
Chicago
“Loading Cotton for Export on the Levee, New Orleans, La. [Hand Colored].” Photographic postcards. Robert Langmuir African American Photograph Collection, 1915. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/651vdncjxc-cor.