Lincoln, A., Douglas, S. A., & Putnam, G. H. (1912). The political debates between Abraham Lincoln and Stephen A. Douglas in the senatorial campaign of 1858 in Illinois: Together with certain preceding speeches of each at Chicago, Springfield, etc. G.P. Putnam's Sons.
Chicago Style (17th ed.) CitationLincoln, Abraham, Stephen A. Douglas, and George Haven Putnam. The Political Debates Between Abraham Lincoln and Stephen A. Douglas in the Senatorial Campaign of 1858 in Illinois: Together with Certain Preceding Speeches of Each at Chicago, Springfield, Etc. New York: G.P. Putnam's Sons, 1912.
MLA (8th ed.) CitationLincoln, Abraham, et al. The Political Debates Between Abraham Lincoln and Stephen A. Douglas in the Senatorial Campaign of 1858 in Illinois: Together with Certain Preceding Speeches of Each at Chicago, Springfield, Etc. G.P. Putnam's Sons, 1912.