APA (7th ed.) Citation

United States. Congress. House. Committee on Science and Astronautics & ProQuest (Firm). (1968). Symposium on Unidentified Flying Objects: Hearings before the United States House Committee on Science and Astronautics, Ninetieth Congress, second session, on July 29, 1968. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Science and Astronautics and ProQuest (Firm). Symposium on Unidentified Flying Objects: Hearings Before the United States House Committee on Science and Astronautics, Ninetieth Congress, Second Session, on July 29, 1968. Washington: U.S. G.P.O., 1968.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Science and Astronautics and ProQuest (Firm). Symposium on Unidentified Flying Objects: Hearings Before the United States House Committee on Science and Astronautics, Ninetieth Congress, Second Session, on July 29, 1968. U.S. G.P.O., 1968.