MLA
Photo., Cline. Picking Cotton in Dixie : Two Women, Two Girls, and Three Boys, One of Which Is Holding a Puppy, Standing in a Cotton Field. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 68. https://digital.library.emory.edu/purl/030prr4xkf-cor.
APA, 6th edition
Photo., C. Picking cotton in Dixie : two women, two girls, and three boys, one of which is holding a puppy, standing in a cotton field (Box 68) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/030prr4xkf-cor.
Chicago
Photo., Cline. “Picking Cotton in Dixie : Two Women, Two Girls, and Three Boys, One of Which Is Holding a Puppy, Standing in a Cotton Field.” 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/030prr4xkf-cor.