APA (7th ed.) Citation

Riggs, R. E. (1971). US/UN: Foreign policy and international organization. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Riggs, Robert Edwon. US/UN: Foreign Policy and International Organization. New York: Appleton-Century-Crofts, 1971.

MLA (9th ed.) Citation

Riggs, Robert Edwon. US/UN: Foreign Policy and International Organization. Appleton-Century-Crofts, 1971.