APA (7th ed.) Citation

Ikenberry, G. J. (1995). American foreign policy: Theoretical essays (2nd ed.). Harper Collins College Publishers.

Chicago Style (17th ed.) Citation

Ikenberry, G. John. American Foreign Policy: Theoretical Essays. 2nd ed. New York: Harper Collins College Publishers, 1995.

MLA (9th ed.) Citation

Ikenberry, G. John. American Foreign Policy: Theoretical Essays. 2nd ed. Harper Collins College Publishers, 1995.