MLA
C. T. Photochrom (Chicago, Ill.). Down where the cotton blossoms grow : African American men, women and children in a field of cotton blossoms [hand colored]. February 26, 1917. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3009w0vt79-cor.
APA, 6th edition
C. T. Photochrom (Chicago, Ill.). (February 26, 1917)[Down where the cotton blossoms grow : African American men, women and children in a field of cotton blossoms [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3009w0vt79-cor.
Chicago
C. T. Photochrom (Chicago, Ill.), Down where the cotton blossoms grow : African American men, women and children in a field of cotton blossoms [hand colored], February 26, 1917, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3009w0vt79-cor.