United States. Congress. House. Committee on Patents & ProQuest (Firm). (1935). Department of Science, Art and Literature: Hearings before the United States House Committee on Patents, Seventy-Fourth Congress, first session, on June 20, 1935. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Patents and ProQuest (Firm). Department of Science, Art and Literature: Hearings Before the United States House Committee on Patents, Seventy-Fourth Congress, First Session, on June 20, 1935. Washington: U.S. G.P.O., 1935.
MLA (8th ed.) CitationUnited States. Congress. House. Committee on Patents and ProQuest (Firm). Department of Science, Art and Literature: Hearings Before the United States House Committee on Patents, Seventy-Fourth Congress, First Session, on June 20, 1935. U.S. G.P.O., 1935.