MLA
Paul Perkins, an African American Boy, Standing with an Open Book in One Hand, and the Other Hand Raised, Wearing a Suit and Eyeglasses. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 74. https://digital.library.emory.edu/purl/375dbrv17g-cor.
APA, 6th edition
Paul Perkins, an African American boy, standing with an open book in one hand, and the other hand raised, wearing a suit and eyeglasses (Box 74). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/375dbrv17g-cor.
Chicago
“Paul Perkins, an African American Boy, Standing with an Open Book in One Hand, and the Other Hand Raised, 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/375dbrv17g-cor.