United States. Bureau of the Census. Schedule B, Statistical classification of domestic and foreign commodities exported from the United States. U.S. Dept. of Commerce.
Chicago Style (17th ed.) CitationUnited States. Bureau of the Census. Schedule B, Statistical Classification of Domestic and Foreign Commodities Exported from the United States. Washington, D.C.: U.S. Dept. of Commerce.
MLA (9th ed.) CitationUnited States. Bureau of the Census. Schedule B, Statistical Classification of Domestic and Foreign Commodities Exported from the United States. U.S. Dept. of Commerce.
Warning: These citations may not always be 100% accurate.