APA引文

Rai, K. B., Walsh, D. F., & Best, P. J. (1997). America in the 21st century: Challenges and opportunities in foreign policy. Prentice Hall.

Chicago Style (17th ed.) Citation

Rai, Kul B., David F. Walsh, and Paul J. Best. America in the 21st Century: Challenges and Opportunities in Foreign Policy. Upper Saddle, N.J: Prentice Hall, 1997.

MLA引文

Rai, Kul B., et al. America in the 21st Century: Challenges and Opportunities in Foreign Policy. Prentice Hall, 1997.