APA (7th ed.) Citation

Royal Institute of International Affairs & Royal Institute of International Affairs. Information Department. The World today. [Oxford University Press, etc.].

Chicago Style (17th ed.) Citation

Royal Institute of International Affairs and Royal Institute of International Affairs. Information Department. The World Today. [London]: [Oxford University Press, etc.].

MLA (9th ed.) Citation

Royal Institute of International Affairs and Royal Institute of International Affairs. Information Department. The World Today. [Oxford University Press, etc.].