MLA
African American Boy in a Suit Standing next to an African American Girl in a Dress, in Front of a Tree. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/296wwpzgpk-cor.
APA, 6th edition
African American boy in a suit standing next to an African American girl in a dress, in front of a tree (Box 72). [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/296wwpzgpk-cor.
Chicago
“African American Boy in a Suit Standing next to an African American Girl in a Dress, in Front of a Tree.” 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/296wwpzgpk-cor.