MLA
Buerbaum, Theo. Joe Ballard, Blacksmith, Politician, Philosopher, Salisbury, N.C. 1905. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 72. https://digital.library.emory.edu/purl/269m37pvpk-cor.
APA, 6th edition
Buerbaum, T. (1905). Joe Ballard, blacksmith, politician, philosopher, Salisbury, N.C. (Box 72) [Photographic postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvpk-cor.
Chicago
Buerbaum, Theo. “Joe Ballard, Blacksmith, Politician, Philosopher, Salisbury, N.C.” Photographic postcards. Robert Langmuir African American Photograph Collection, 1905. Box 72. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvpk-cor.