APA引文

Cline, R. S. (1980). World power trends and U.S. foreign policy for the 1980's. Westview Press.

Chicago Style (17th ed.) Citation

Cline, Ray S. World Power Trends and U.S. Foreign Policy for the 1980's. Boulder, Colo: Westview Press, 1980.

MLA引文

Cline, Ray S. World Power Trends and U.S. Foreign Policy for the 1980's. Westview Press, 1980.