APA (7th ed.) Citation

United States. Congress. House. Committee on Science and Astronautics & ProQuest (Firm). (1969). Metric System Study Authorization: Hearings before the United States House Committee on Science and Astronautics, Ninety-First Congress, first session, on May 27, 1969. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Science and Astronautics and ProQuest (Firm). Metric System Study Authorization: Hearings Before the United States House Committee on Science and Astronautics, Ninety-First Congress, First Session, on May 27, 1969. Washington: U.S. G.P.O., 1969.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Science and Astronautics and ProQuest (Firm). Metric System Study Authorization: Hearings Before the United States House Committee on Science and Astronautics, Ninety-First Congress, First Session, on May 27, 1969. U.S. G.P.O., 1969.