MLA
Pickaninnies, Pinehurst, N.C. : Five African American Children Sitting in Front of a Plowed Field. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/955m905qjj-cor.
APA, 6th edition
Pickaninnies, Pinehurst, N.C. : five African American children sitting in front of a plowed field (Box 73). [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/955m905qjj-cor.
Chicago
“Pickaninnies, Pinehurst, N.C. : Five African American Children Sitting in Front of a Plowed Field.” Postcards. Robert Langmuir African American Photograph Collection, n.d. Box 73. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/955m905qjj-cor.