APA (7th ed.) Citation

United States. Temporary National Economic Committee & ProQuest (Firm). (1939). Investigation of Concentration of Economic Power. Extract from Hearings. Statement of Dr. William D. Coolidge, Director of Research Laboratory, General Electric Co. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Temporary National Economic Committee and ProQuest (Firm). Investigation of Concentration of Economic Power. Extract from Hearings. Statement of Dr. William D. Coolidge, Director of Research Laboratory, General Electric Co. [Place of publication not identified]: [publisher not identified], 1939.

MLA (9th ed.) Citation

United States. Temporary National Economic Committee and ProQuest (Firm). Investigation of Concentration of Economic Power. Extract from Hearings. Statement of Dr. William D. Coolidge, Director of Research Laboratory, General Electric Co. [publisher not identified], 1939.