MLA
Tees, H. Cotton Picking in the Sunny South : a Group of African American Men, African American Women, African American Boys, and African American Girls Picking Cotton in a Field with Two Baskets of Cotton. 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/880ht76hj7-cor.
APA, 6th edition
Tees, H. (1908). Cotton picking in the sunny South : a group of African American men, African American women, African American boys, and African American girls picking cotton in a field with two baskets of cotton (Box 68) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/880ht76hj7-cor.
Chicago
Tees, H. “Cotton Picking in the Sunny South : a Group of African American Men, African American Women, African American Boys, and African American Girls Picking Cotton in a Field with Two Baskets of Cotton.” Postcards. Robert Langmuir African American Photograph Collection, 1908. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/880ht76hj7-cor.