Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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