United States Naval Observatory. Nautical Almanac Office. (1980). Almanac for computers. Nautical Almanac Office, United States Naval Observatory.
Chicago Style (17th ed.) CitationUnited States Naval Observatory. Nautical Almanac Office. Almanac for Computers. Washington, D.C.: Nautical Almanac Office, United States Naval Observatory, 1980.
MLA (8th ed.) CitationUnited States Naval Observatory. Nautical Almanac Office. Almanac for Computers. Nautical Almanac Office, United States Naval Observatory, 1980.
Warning: These citations may not always be 100% accurate.