APA (7th ed.) Citation

ProQuest (Firm). (1941). Investigation of concentration of economic power. [publisher not identified].

Chicago Style (17th ed.) Citation

ProQuest (Firm). Investigation of Concentration of Economic Power. Washington: [publisher not identified], 1941.

MLA (9th ed.) Citation

ProQuest (Firm). Investigation of Concentration of Economic Power. [publisher not identified], 1941.

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