MLA
Treadway, Allen Towner, 1867-1947. Letter to the Editor of The Republican by Allen T. Treadway, April 9, 1906. April 9, 1906. William H. Scott Family Papers, 1848-1982. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3655dv435p-cor.
APA, 6th edition
Treadway, Allen Towner, 1867-1947. (April 9, 1906)[Letter to the Editor of The Republican by Allen T. Treadway, April 9, 1906]. William H. Scott Family Papers, 1848-1982, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3655dv435p-cor.
Chicago
Treadway, Allen Towner, 1867-1947, Letter to the Editor of The Republican by Allen T. Treadway, April 9, 1906, April 9, 1906, William H. Scott Family Papers, 1848-1982, Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/3655dv435p-cor.