APA (7 ম সংস্করণ) উদ্ধৃতি

Ellis, R. J. (1989). Dilemmas of presidential leadership: From Washington through Lincoln. Transaction.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Ellis, Richard J. Dilemmas of Presidential Leadership: From Washington Through Lincoln. New Brunswick, N.J: Transaction, 1989.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Ellis, Richard J. Dilemmas of Presidential Leadership: From Washington Through Lincoln. Transaction, 1989.