United States. Bureau of Foreign and Domestic Commerce. (1923). Petroleum in foreign trade and services of Petroleum Division. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Bureau of Foreign and Domestic Commerce. Petroleum in Foreign Trade and Services of Petroleum Division. [Washington?]: U.S. Government Printing Office, 1923.
MLA (9th ed.) CitationUnited States. Bureau of Foreign and Domestic Commerce. Petroleum in Foreign Trade and Services of Petroleum Division. U.S. Government Printing Office, 1923.
Warning: These citations may not always be 100% accurate.