MLA
C. T. Photochrom (Chicago, Ill.). My heart turned back to Dixie : an African American man in a cotton field with a basket of cotton on his shoulder [hand colored]. unknown. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxps5-cor.
APA, 6th edition
C. T. Photochrom (Chicago, Ill.). (unknown)[My heart turned back to Dixie : an African American man in a cotton field with a basket of cotton on his shoulder [hand colored]]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxps5-cor.
Chicago
C. T. Photochrom (Chicago, Ill.), My heart turned back to Dixie : an African American man in a cotton field with a basket of cotton on his shoulder [hand colored], unknown, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3720cfxps5-cor.