Cita APA (7th ed.)
Lincoln, A., & Doren, C. V. The Literary Works of Abraham Lincoln. The Easton Press.
Cita Chicago (17th ed.)
Lincoln, Abraham, i Carl Van Doren. The Literary Works of Abraham Lincoln. Norwalk, EUA: The Easton Press.
Cita MLA (9th ed.)
Lincoln, Abraham, i Carl Van Doren. The Literary Works of Abraham Lincoln. The Easton Press.
Atenció: Aquestes cites poden no estar 100% correctes.