Cita APA (7th ed.)

Fletcher, G. P. (2001). Our secret constitution: How Lincoln redefined American democracy. Oxford University Press.

Cita Chicago (17th ed.)

Fletcher, George P. Our Secret Constitution: How Lincoln Redefined American Democracy. Oxford ; New York: Oxford University Press, 2001.

Cita MLA (9th ed.)

Fletcher, George P. Our Secret Constitution: How Lincoln Redefined American Democracy. Oxford University Press, 2001.