APA-viite (7. p.)

Thomas, B. P. (2008). Abraham Lincoln: A biography (Southern Illinois University Press pbk. ed.). Southern Illinois University Press.

Chicago-viite (17. p.)

Thomas, Benjamin Platt. Abraham Lincoln: A Biography. Southern Illinois University Press pbk. ed. Carbondale: Southern Illinois University Press, 2008.

MLA-viite (9. p.)

Thomas, Benjamin Platt. Abraham Lincoln: A Biography. Southern Illinois University Press pbk. ed. Southern Illinois University Press, 2008.