MLA
Blackmon Distb. Co. (Greenville, Miss.). Loading and shipping cotton by steamboat, Greenville, Miss.. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/262s4mw6q5-cor.
APA, 6th edition
Blackmon Distb. Co. (Greenville, Miss.). (unknown)[Loading and shipping cotton by steamboat, Greenville, Miss.]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/262s4mw6q5-cor.
Chicago
Blackmon Distb. Co. (Greenville, Miss.), Loading and shipping cotton by steamboat, Greenville, Miss., unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/262s4mw6q5-cor.