APA (7th ed.) Citation

Pfiffner, J. P. (1998). The modern presidency (Second edition.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Pfiffner, James P. The Modern Presidency. Second edition. New York: St. Martin's Press, 1998.

MLA (9th ed.) Citation

Pfiffner, James P. The Modern Presidency. Second edition. St. Martin's Press, 1998.