Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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