APA (7th ed.) Citation

United Nations. Statistical Office. (1973). World energy supplies, 1968-1971. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Statistical Office. World Energy Supplies, 1968-1971. New York: United Nations, 1973.

MLA (8th ed.) Citation

United Nations. Statistical Office. World Energy Supplies, 1968-1971. United Nations, 1973.

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