MLA
C. T. Photochrom (Chicago, Ill.). Transportation of cotton by road : an African American man with a whip riding on top of a flat wagon, loaded with cotton, pulled by oxen, with an African American man standing by the wagon. October 3, 1913. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/044bnzs7m7-cor.
APA, 6th edition
C. T. Photochrom (Chicago, Ill.). (October 3, 1913)[Transportation of cotton by road : an African American man with a whip riding on top of a flat wagon, loaded with cotton, pulled by oxen, with an African American man standing by the wagon]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/044bnzs7m7-cor.
Chicago
C. T. Photochrom (Chicago, Ill.), Transportation of cotton by road : an African American man with a whip riding on top of a flat wagon, loaded with cotton, pulled by oxen, with an African American man standing by the wagon, October 3, 1913, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/044bnzs7m7-cor.