APA (7th ed.) Citation

United Nations. Statistical Office. (1963). World trade annual. [Walker].

Chicago Style (17th ed.) Citation

United Nations. Statistical Office. World Trade Annual. [New York, N.Y.]: [Walker], 1963.

MLA (9th ed.) Citation

United Nations. Statistical Office. World Trade Annual. [Walker], 1963.

Warning: These citations may not always be 100% accurate.