APA (7th ed.) Citation

United States. Congress. Senate. Committee on Foreign Relations & ProQuest (Firm). (1939). Investigation of negotiations by American citizens or officials with the Mexican Government concerning certain oil sales. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Foreign Relations and ProQuest (Firm). Investigation of Negotiations by American Citizens or Officials with the Mexican Government Concerning Certain Oil Sales. Washington: [publisher not identified], 1939.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Foreign Relations and ProQuest (Firm). Investigation of Negotiations by American Citizens or Officials with the Mexican Government Concerning Certain Oil Sales. [publisher not identified], 1939.