MLA
African American Boy with One Hand on an Open Book, and the Other Hand Raised, While Wearing a Suit and Eyeglasses. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/160cvdncmn-cor.
APA, 6th edition
African American boy with one hand on an open book, and the other hand raised, while wearing a suit and eyeglasses (Box 74). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/160cvdncmn-cor.
Chicago
“African American Boy with One Hand on an Open Book, and the Other Hand Raised, While Wearing a Suit and Eyeglasses.” Photographic postcards. Robert Langmuir African American Photograph Collection, n.d. Box 74. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/160cvdncmn-cor.