MLA
Gessner, Thos. F. Pickaninny : an African American Child with a Basket. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 73. https://digital.library.emory.edu/purl/856n02v708-cor.
APA, 6th edition
Gessner, T. F. Pickaninny : an African American child with a basket (Box 73) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/856n02v708-cor.
Chicago
Gessner, Thos. F. “Pickaninny : an African American Child with a Basket.” 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/856n02v708-cor.