APA (7th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. (1930). U.S. foreign trade in 1st quarter of 1930. GPO.

Chicago Style (17th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. U.S. Foreign Trade in 1st Quarter of 1930. [Washington]: GPO, 1930.

MLA (9th ed.) Citation

United States. Bureau of Foreign and Domestic Commerce. U.S. Foreign Trade in 1st Quarter of 1930. GPO, 1930.

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