United States. Congress. Senate. Committee on Patents & ProQuest (Firm). (1924). To Amend the Copyright Act: Hearings before the United States Senate Committee on Patents, Sixty-Eighth Congress, first session, on Apr. 9, 17, 18, 1924. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Patents and ProQuest (Firm). To Amend the Copyright Act: Hearings Before the United States Senate Committee on Patents, Sixty-Eighth Congress, First Session, on Apr. 9, 17, 18, 1924. Washington: U.S. G.P.O., 1924.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Patents and ProQuest (Firm). To Amend the Copyright Act: Hearings Before the United States Senate Committee on Patents, Sixty-Eighth Congress, First Session, on Apr. 9, 17, 18, 1924. U.S. G.P.O., 1924.