APA (7th ed.) Zitazioa
Eckley, R. S. (2012). Lincoln's forgotten friend, Leonard Swett. Southern Illinois University Press.
Chicago Style (17th ed.) Zitazioa
Eckley, Robert S. Lincoln's Forgotten Friend, Leonard Swett. Carbondale: Southern Illinois University Press, 2012.
MLA (9th ed.) Zitazioa
Eckley, Robert S. Lincoln's Forgotten Friend, Leonard Swett. Southern Illinois University Press, 2012.
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