APA (7th ed.) Citation

United States. Bureau of the Census. (1990). U.S. exports. U.S. Dept. of Commerce, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Bureau of the Census. U.S. Exports. Washington, DC: U.S. Dept. of Commerce, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O., 1990.

MLA (8th ed.) Citation

United States. Bureau of the Census. U.S. Exports. U.S. Dept. of Commerce, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O., 1990.