Weber, K. (2012). Lincoln: A president for the ages. Public Affairs.
Cita Chicago Style (17a ed.)Weber, Karl. Lincoln: A President for the Ages. New York: Public Affairs, 2012.
Cita MLA (8a ed.)Weber, Karl. Lincoln: A President for the Ages. Public Affairs, 2012.
Precaución: Estas citas no son 100% exactas.