United States. Congress. House. Committee on Rules & ProQuest (Firm). (1924). Investigation of the Air Service: Hearings before the United States House Committee on Rules, Sixty-Eighth Congress, first session, on Feb. 16, 20, 1924. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Rules and ProQuest (Firm). Investigation of the Air Service: Hearings Before the United States House Committee on Rules, Sixty-Eighth Congress, First Session, on Feb. 16, 20, 1924. Washington: U.S. G.P.O., 1924.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Rules and ProQuest (Firm). Investigation of the Air Service: Hearings Before the United States House Committee on Rules, Sixty-Eighth Congress, First Session, on Feb. 16, 20, 1924. U.S. G.P.O., 1924.