APA (7th ed.) Citation

United Nations. Statistical Office. (1983). 1980 maritime transport study: Commodity trade (by sea) statistics. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Statistical Office. 1980 Maritime Transport Study: Commodity Trade (by Sea) Statistics. New York: United Nations, 1983.

MLA (9th ed.) Citation

United Nations. Statistical Office. 1980 Maritime Transport Study: Commodity Trade (by Sea) Statistics. United Nations, 1983.

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