APA (7th ed.) Citation

Lincoln, A., Douglas, S. A., & Sparks, E. E. (1908). The Lincoln-Douglas debates of 1858. Published by the Trustees of the Illinois State Historical Library.

Chicago Style (17th ed.) Citation

Lincoln, Abraham, Stephen A. Douglas, and Edwin Erle Sparks. The Lincoln-Douglas Debates of 1858. Springfield, Illinois: Published by the Trustees of the Illinois State Historical Library, 1908.

MLA (9th ed.) Citation

Lincoln, Abraham, et al. The Lincoln-Douglas Debates of 1858. Published by the Trustees of the Illinois State Historical Library, 1908.