MLA
Adolph Selige Pub. Co. (St. Louis, Mo.). A chocolate drop : an African American women in a cotton field with a basket on her head. 1897. Robert Langmuir African American Photograph Collection. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8128931zhd-cor.
APA, 6th edition
Adolph Selige Pub. Co. (St. Louis, Mo.). (1897)[A chocolate drop : an African American women in a cotton field with a basket on her head]. Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8128931zhd-cor.
Chicago
Adolph Selige Pub. Co. (St. Louis, Mo.), A chocolate drop : an African American women in a cotton field with a basket on her head, 1897, Robert Langmuir African American Photograph Collection, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/8128931zhd-cor.