MLA
Colorama (Columbus, Ga.). Cotton pickin' time in Arkansas : eight African Americans picking cotton. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/12683bk3n3-cor.
APA, 6th edition
Colorama (Columbus, Ga.). (unknown)[Cotton pickin' time in Arkansas : eight African Americans picking cotton]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/12683bk3n3-cor.
Chicago
Colorama (Columbus, Ga.), Cotton pickin' time in Arkansas : eight African Americans picking cotton, unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/12683bk3n3-cor.