United States. Federal Power Commission. (1941). Statistics of Electric Utilities in the United States, 1939, Classes A and B Privately Owned Companies. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Federal Power Commission. Statistics of Electric Utilities in the United States, 1939, Classes A and B Privately Owned Companies. [Washington]: [s.n.], 1941.
MLA (9th ed.) CitationUnited States. Federal Power Commission. Statistics of Electric Utilities in the United States, 1939, Classes A and B Privately Owned Companies. [s.n.], 1941.
Warning: These citations may not always be 100% accurate.