Library of Congress. Congressional Research Service & ProQuest (Firm). (1985). Gun Control Act of 1968, As Amended: Digest of Major Provisions P.L. 90-618, 90th Congress, H.R. 17735, October 22, 1968. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Gun Control Act of 1968, As Amended: Digest of Major Provisions P.L. 90-618, 90th Congress, H.R. 17735, October 22, 1968. [Place of publication not identified]: [publisher not identified], 1985.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Gun Control Act of 1968, As Amended: Digest of Major Provisions P.L. 90-618, 90th Congress, H.R. 17735, October 22, 1968. [publisher not identified], 1985.