MLA
Co., E. C. Kropp. Just a Small Family down in Sunny Dixie : an African American Woman Holding a Baby with Seven Other Children. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 71. https://digital.library.emory.edu/purl/532d7wm39p-cor.
APA, 6th edition
Co., E. C. K. Just a small family down in sunny Dixie : an African American woman holding a baby with seven other children (Box 71) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/532d7wm39p-cor.
Chicago
Co., E. C. Kropp. “Just a Small Family down in Sunny Dixie : an African American Woman Holding a Baby with Seven Other Children.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 71. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/532d7wm39p-cor.