MLA
Co., Rotograph. Well! I Should Smile : African American Boy Smiling. 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/518rbnzs9f-cor.
APA, 6th edition
Co., R. (1908). Well! I should smile : African American boy smiling (Box 72) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/518rbnzs9f-cor.
Chicago
Co., Rotograph. “Well! I Should Smile : African American Boy Smiling.” Postcards. Robert Langmuir African American Photograph Collection, 1908. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/518rbnzs9f-cor.