Cita APA (7th ed.)

Pfiffner, J. P. (2004). The character factor: How we judge America's presidents. Texas A & M University Press.

Cita Chicago (17th ed.)

Pfiffner, James P. The Character Factor: How We Judge America's Presidents. College Station, Tex.: Texas A & M University Press, 2004.

Cita MLA (9th ed.)

Pfiffner, James P. The Character Factor: How We Judge America's Presidents. Texas A & M University Press, 2004.

Atenció: Aquestes cites poden no estar 100% correctes.