Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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