United States. Congress. Senate. Committee on Commerce & ProQuest (Firm). (1936). Safety in Air: Hearings before the United States Senate Committee on Commerce, Subcommittee on S. Res. 146, Seventy-Fourth Congress, second session, on Feb. 10, 11, 14, 15, 18, 20, 21, Apr. 6, 1936. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce and ProQuest (Firm). Safety in Air: Hearings Before the United States Senate Committee on Commerce, Subcommittee on S. Res. 146, Seventy-Fourth Congress, Second Session, on Feb. 10, 11, 14, 15, 18, 20, 21, Apr. 6, 1936. Washington: U.S. G.P.O., 1936.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce and ProQuest (Firm). Safety in Air: Hearings Before the United States Senate Committee on Commerce, Subcommittee on S. Res. 146, Seventy-Fourth Congress, Second Session, on Feb. 10, 11, 14, 15, 18, 20, 21, Apr. 6, 1936. U.S. G.P.O., 1936.