Cita APA (7th ed.)

Winkle, K. J. (2011). Abraham and Mary Lincoln. Southern Illinois University Press.

Cita Chicago (17th ed.)

Winkle, Kenneth J. Abraham and Mary Lincoln. Carbondale: Southern Illinois University Press, 2011.

Cita MLA (9th ed.)

Winkle, Kenneth J. Abraham and Mary Lincoln. Southern Illinois University Press, 2011.