APA (7th ed.) Zitazioa
ebrary, Inc, Horrocks, T. A., Holzer, H., & Williams, F. J. (2011). The living Lincoln. Southern Illinois University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Thomas A. Horrocks, Harold Holzer, eta Frank J. Williams. The Living Lincoln. Carbondale: Southern Illinois University Press, 2011.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. The Living Lincoln. Southern Illinois University Press, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.