Library of Congress. Congressional Research Service & ProQuest (Firm). (1971). Hearings During the 91st Congress, 2nd Session, 1970 Relating to Science and Technology. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Hearings During the 91st Congress, 2nd Session, 1970 Relating to Science and Technology. [Place of publication not identified]: [publisher not identified], 1971.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Hearings During the 91st Congress, 2nd Session, 1970 Relating to Science and Technology. [publisher not identified], 1971.
Warning: These citations may not always be 100% accurate.