APA (7th ed.) Citation

Siemers, D. J. (2009). Presidents and political thought. University of Missouri Press.

Chicago Style (17th ed.) Citation

Siemers, David J. Presidents and Political Thought. Columbia: University of Missouri Press, 2009.

MLA (9th ed.) Citation

Siemers, David J. Presidents and Political Thought. University of Missouri Press, 2009.