APA (7th ed.) Citation

United States. Federal Power Commission. (1940). Production of electric energy in the United States, Sept. and Oct. 1940. [s.n.].

Chicago Style (17th ed.) Citation

United States. Federal Power Commission. Production of Electric Energy in the United States, Sept. and Oct. 1940. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. Federal Power Commission. Production of Electric Energy in the United States, Sept. and Oct. 1940. [s.n.], 1940.