Cita APA (7a ed.)
Pfiffner, J. P. (2004). The character factor: How we judge America's presidents. Texas A & M University Press.
Cita Chicago Style (17a ed.)
Pfiffner, James P. The Character Factor: How We Judge America's Presidents. College Station, Tex.: Texas A & M University Press, 2004.
Cita MLA (9a ed.)
Pfiffner, James P. The Character Factor: How We Judge America's Presidents. Texas A & M University Press, 2004.
Precaución: Estas citas no son 100% exactas.