Cita APA (7a ed.)

Pfiffner, J. P. (2000). The modern presidency (3rd ed.). Bedford-St. Martin's.

Cita Chicago Style (17a ed.)

Pfiffner, James P. The Modern Presidency. 3rd ed. Boston [etc.]: Bedford-St. Martin's, 2000.

Cita MLA (9a ed.)

Pfiffner, James P. The Modern Presidency. 3rd ed. Bedford-St. Martin's, 2000.