United States. Department of the Treasury. (1978). United States of America Treasury notes of May 15, 1981 series M-1981. Treasury Dept., Office of the Secretary.
Chicago Style (17th ed.) CitationUnited States. Department of the Treasury. United States of America Treasury Notes of May 15, 1981 Series M-1981. Washington: Treasury Dept., Office of the Secretary, 1978.
MLA (9th ed.) CitationUnited States. Department of the Treasury. United States of America Treasury Notes of May 15, 1981 Series M-1981. Treasury Dept., Office of the Secretary, 1978.
Warning: These citations may not always be 100% accurate.