Arnold, I. N. (1994). The life of Abraham Lincoln (4th ed.). University of Nebraska Press.
Cita Chicago Style (17a ed.)Arnold, Isaac Newton. The Life of Abraham Lincoln. 4th ed. Lincoln: University of Nebraska Press, 1994.
Cita MLA (9a ed.)Arnold, Isaac Newton. The Life of Abraham Lincoln. 4th ed. University of Nebraska Press, 1994.
Precaución: Estas citas no son 100% exactas.