MLA
African American Boy Sitting with One Leg up on the Other Knee. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/088qbzkh2s-cor.
APA, 6th edition
African American boy sitting with one leg up on the other knee (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/088qbzkh2s-cor.
Chicago
“African American Boy Sitting with One Leg up on the Other Knee.” 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/088qbzkh2s-cor.