MLA
Thorough Happiness : Boys and Girls Eating Watermelon in a Field. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 5. https://digital.library.emory.edu/purl/979h44j14t-cor.
APA, 6th edition
Thorough happiness : boys and girls eating watermelon in a field (Box 5). [Black-and-white photographs]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/979h44j14t-cor.
Chicago
“Thorough Happiness : Boys and Girls Eating Watermelon in a Field.” Black-and-white photographs. Robert Langmuir African American Photograph Collection, n.d. Box 5. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/979h44j14t-cor.