APA (7th ed.) Citation

United States. Bureau of Mines. (1941). Monthly petroleum statement 212, crude petroleum and petroleum products, June 1941. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Monthly Petroleum Statement 212, Crude Petroleum and Petroleum Products, June 1941. [Washington]: [s.n.], 1941.

MLA (9th ed.) Citation

United States. Bureau of Mines. Monthly Petroleum Statement 212, Crude Petroleum and Petroleum Products, June 1941. [s.n.], 1941.

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