APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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