Cita APA (7th ed.)
Ferrell, R. H. (2006). Presidential leadership: From Woodrow Wilson to Harry S. Truman. University of Missouri Press.
Cita Chicago (17th ed.)
Ferrell, Robert H. Presidential Leadership: From Woodrow Wilson to Harry S. Truman. Columbia: University of Missouri Press, 2006.
Cita MLA (9th ed.)
Ferrell, Robert H. Presidential Leadership: From Woodrow Wilson to Harry S. Truman. University of Missouri Press, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.