Library of Congress. Congressional Research Service & ProQuest (Firm). (1971). Comparative Analysis of H.R. 1532, H.R. 2328, and H.R. 7466: Bills To Amend the Immigration and Nationality Act, As Amended. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Comparative Analysis of H.R. 1532, H.R. 2328, and H.R. 7466: Bills To Amend the Immigration and Nationality Act, As Amended. [Place of publication not identified]: [publisher not identified], 1971.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Comparative Analysis of H.R. 1532, H.R. 2328, and H.R. 7466: Bills To Amend the Immigration and Nationality Act, As Amended. [publisher not identified], 1971.