United States. Congress. Senate. Committee on Environment and Public Works & Library of Congress. Congressional Research Service. (1982). A Legislative history of the Endangered Species Act of 1973, as amended in 1976, 1977, 1978, 1979, and 1980: Together with a section-by-section index. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Environment and Public Works and Library of Congress. Congressional Research Service. A Legislative History of the Endangered Species Act of 1973, as Amended in 1976, 1977, 1978, 1979, and 1980: Together with a Section-by-section Index. Washington: U.S. G.P.O., 1982.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Environment and Public Works and Library of Congress. Congressional Research Service. A Legislative History of the Endangered Species Act of 1973, as Amended in 1976, 1977, 1978, 1979, and 1980: Together with a Section-by-section Index. U.S. G.P.O., 1982.