APA (7th ed.) Citation

Nelson, M. (1995). The Presidency and the political system (4th ed.). CQ Press.

Chicago Style (17th ed.) Citation

Nelson, Michael. The Presidency and the Political System. 4th ed. Washington, D.C.: CQ Press, 1995.

MLA (9th ed.) Citation

Nelson, Michael. The Presidency and the Political System. 4th ed. CQ Press, 1995.