APA-viite (7. p.)
Ferrell, R. H. (2006). Presidential leadership: From Woodrow Wilson to Harry S. Truman. University of Missouri Press.
Chicago-viite (17. p.)
Ferrell, Robert H. Presidential Leadership: From Woodrow Wilson to Harry S. Truman. Columbia: University of Missouri Press, 2006.
MLA-viite (9. p.)
Ferrell, Robert H. Presidential Leadership: From Woodrow Wilson to Harry S. Truman. University of Missouri Press, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.