APA (7th ed.) Citation

United Nations. Statistical Office. (1968). International standard industrial classification of all economic activities. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Statistical Office. International Standard Industrial Classification of All Economic Activities. New York: United Nations, 1968.

MLA (9th ed.) Citation

United Nations. Statistical Office. International Standard Industrial Classification of All Economic Activities. United Nations, 1968.

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