United States. Congress. House. Committee on Science and Astronautics. Subcommittee on Science, Research, and Development, & ProQuest (Firm). (1969). 1970 National Science Foundation Authorization: Hearings before the United States House Committee on Science and Astronautics, Subcommittee on Science, Research, and Development, Ninety-First Congress, first session. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Science and Astronautics. Subcommittee on Science, Research, and Development, and ProQuest (Firm). 1970 National Science Foundation Authorization: Hearings Before the United States House Committee on Science and Astronautics, Subcommittee on Science, Research, and Development, Ninety-First Congress, First Session. Washington: U.S. G.P.O., 1969.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Science and Astronautics. Subcommittee on Science, Research, and Development, and ProQuest (Firm). 1970 National Science Foundation Authorization: Hearings Before the United States House Committee on Science and Astronautics, Subcommittee on Science, Research, and Development, Ninety-First Congress, First Session. U.S. G.P.O., 1969.