APA (7th ed.) Citation

Lincoln, A., & Hart, A. B. (1920). Selected writings of Abraham Lincoln. The Gregg publishing co..

Chicago Style (17th ed.) Citation

Lincoln, Abraham, and Albert Bushnell Hart. Selected Writings of Abraham Lincoln. New York, Chicago [etc.]: The Gregg publishing co., 1920.

MLA (9th ed.) Citation

Lincoln, Abraham, and Albert Bushnell Hart. Selected Writings of Abraham Lincoln. The Gregg publishing co., 1920.