APA (7th ed.) Citation

United States. Bureau of Mines. (1940). Monthly petroleum statement 194, crude petroleum and petroleum products, Jan. 1940. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Monthly Petroleum Statement 194, Crude Petroleum and Petroleum Products, Jan. 1940. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Bureau of Mines. Monthly Petroleum Statement 194, Crude Petroleum and Petroleum Products, Jan. 1940. [s.n.], 1940.

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