MLA
Sirigo, John. Hall of Negro Life at Texas Centennial Exposition in Dallas, Texas. 1961. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 70. https://digital.library.emory.edu/purl/269m37pvrd-cor.
APA, 6th edition
Sirigo, J. (1961). Hall of Negro Life at Texas Centennial Exposition in Dallas, Texas (Box 70) [Postcards]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvrd-cor.
Chicago
Sirigo, John. “Hall of Negro Life at Texas Centennial Exposition in Dallas, Texas.” Postcards. Robert Langmuir African American Photograph Collection, 1961. Box 70. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/269m37pvrd-cor.