Cita APA (7th ed.)

Pfiffner, J. P. (1994). The modern presidency. St. Martin's Press.

Cita Chicago (17th ed.)

Pfiffner, James P. The Modern Presidency. New York: St. Martin's Press, 1994.

Cita MLA (9th ed.)

Pfiffner, James P. The Modern Presidency. St. Martin's Press, 1994.