MLA
Co., E. C. Kropp. African American Men Unloading Bananas from a Boat Using Conveyor Belts and Other Machinery onto a Refrigerator Car on a Dock, in Mobile, Alabama [Hand Colored]. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/204rjdfn5d-cor.
APA, 6th edition
Co., E. C. K. African American men unloading bananas from a boat using conveyor belts and other machinery onto a refrigerator car on a dock, in Mobile, Alabama [hand colored] (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/204rjdfn5d-cor.
Chicago
Co., E. C. Kropp. “African American Men Unloading Bananas from a Boat Using Conveyor Belts and Other Machinery onto a Refrigerator Car on a Dock, in Mobile, Alabama [Hand Colored].” Photographic 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/204rjdfn5d-cor.