United States. Congress. House. Committee on Science and Astronautics. Subcommittee on Advanced Research and Technology & ProQuest (Firm). (1967). 1968 NASA Authorization: Hearings before the United States House Committee on Science and Astronautics, Subcommittee on Advanced Research and Technology, Ninetieth Congress, first session, on Mar. 14-16, 20-22, Apr. 4-7, 17-20, 1967. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Science and Astronautics. Subcommittee on Advanced Research and Technology and ProQuest (Firm). 1968 NASA Authorization: Hearings Before the United States House Committee on Science and Astronautics, Subcommittee on Advanced Research and Technology, Ninetieth Congress, First Session, on Mar. 14-16, 20-22, Apr. 4-7, 17-20, 1967. Washington: U.S. G.P.O., 1967.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Science and Astronautics. Subcommittee on Advanced Research and Technology and ProQuest (Firm). 1968 NASA Authorization: Hearings Before the United States House Committee on Science and Astronautics, Subcommittee on Advanced Research and Technology, Ninetieth Congress, First Session, on Mar. 14-16, 20-22, Apr. 4-7, 17-20, 1967. U.S. G.P.O., 1967.