APA (7th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. (1932). U.S. foreign trade in 1931. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. U.S. Foreign Trade in 1931. [Washington]: GPO, 1932.

MLA (9th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. U.S. Foreign Trade in 1931. GPO, 1932.

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