Cita APA (7th ed.)
Lincoln, A., Gates, H. L., & Yacovone, D. (2009). Lincoln on race & slavery. Princeton University Press.
Cita Chicago (17th ed.)
Lincoln, Abraham, Henry Louis Gates, i Donald Yacovone. Lincoln on Race & Slavery. Princeton, N.J.: Princeton University Press, 2009.
Cita MLA (9th ed.)
Lincoln, Abraham, et al. Lincoln on Race & Slavery. Princeton University Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.