MLA
Co., Rotograph. Well! I Should Smile : African American Boy Smiling. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/040xpnvx20-cor.
APA, 6th edition
Co., R. Well! I should smile : African American boy smiling (Box 72) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/040xpnvx20-cor.
Chicago
Co., Rotograph. “Well! I Should Smile : African American Boy Smiling.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/040xpnvx20-cor.