APA (7th ed.) Zitazioa

Williams, F. J. (2012). Lincoln as hero. Southern Illinois University Press.

Chicago Style (17th ed.) Zitazioa

Williams, Frank J. Lincoln as Hero. Carbondale, IL: Southern Illinois University Press, 2012.

MLA (9th ed.) Zitazioa

Williams, Frank J. Lincoln as Hero. Southern Illinois University Press, 2012.