APA Zitierstil

Nelson,Michael. (1990). The Presidency and the political system. Washington: Congressional Quarterly.

Chicago Zitierstil

Nelson,Michael. The Presidency and the Political System. Washington: Congressional Quarterly, 1990.

MLA Zitierstil

Nelson,Michael. The Presidency and the Political System. Washington: Congressional Quarterly, 1990.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.