MLA
Beadle, Samuel Alfred. Facts about the Mississippi Contest. [publisher not identified], 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/477sn02w0t-cor.
APA, 6th edition
Beadle, S. A. (1908). Facts about the Mississippi contest [African American author., African American pamphlet.]. [publisher not identified]; Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/477sn02w0t-cor.
Chicago
Beadle, Samuel Alfred. “Facts about the Mississippi Contest.” African American author., African American pamphlet. African American Imprints Collection. [Jackson, Miss.?]: [publisher not identified], 1908. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/477sn02w0t-cor.