APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.