MLA
Co., Parlin Color. Southern Snowballs : African American Girls and Women Picking Cotton. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/0000000035-cor.
APA, 6th edition
Co., P. C. Southern snowballs : African American girls and women picking cotton (Box 68) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0000000035-cor.
Chicago
Co., Parlin Color. “Southern Snowballs : African American Girls and Women Picking Cotton.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 68. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/0000000035-cor.