Royal Greenwich Observatory. Nautical Almanac Office & United States Naval Observatory. Nautical Almanac Office. (1983). The astronomical almanac : data for astronomy, space sciences, geodesy surveying, navigation and other applications / issued by the Nautical Almanac Office (and) Her Majesty's Nautical Almanac Office: Data for astronomy, space sciences, geodesy surveying, navigation and other applications. US Government Printing Office ;.
Chicago Style (17th ed.) CitationRoyal Greenwich Observatory. Nautical Almanac Office and United States Naval Observatory. Nautical Almanac Office. The Astronomical Almanac : Data for Astronomy, Space Sciences, Geodesy Surveying, Navigation and Other Applications / Issued by the Nautical Almanac Office (and) Her Majesty's Nautical Almanac Office: Data for Astronomy, Space Sciences, Geodesy Surveying, Navigation and Other Applications. Washington ; London: US Government Printing Office ;, 1983.
MLA (9th ed.) CitationRoyal Greenwich Observatory. Nautical Almanac Office and United States Naval Observatory. Nautical Almanac Office. The Astronomical Almanac : Data for Astronomy, Space Sciences, Geodesy Surveying, Navigation and Other Applications / Issued by the Nautical Almanac Office (and) Her Majesty's Nautical Almanac Office: Data for Astronomy, Space Sciences, Geodesy Surveying, Navigation and Other Applications. US Government Printing Office ;, 1983.