Dirck, B. R. (2012). Lincoln and the Constitution. Southern Illinois University Press.
Citazione stile Chigago Style (17a edizione)Dirck, Brian R. Lincoln and the Constitution. Carbondale: Southern Illinois University Press, 2012.
Citatione MLA (9a ed.)Dirck, Brian R. Lincoln and the Constitution. Southern Illinois University Press, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.