Royal Greenwich Observatory. Nautical Almanac Office. (1985). The astronomical almanac : data for astronomy, space sciences, geodesy, surveying, navigation and other applications / issued by Her Majesty's NauticalAlmanac Office, Royal Greenwich Observatory ..: Data for astronomy, space sciences, geodesy, surveying, navigation and other applications. H.M.S.O. ;.
Chicago Style (17th ed.) CitationRoyal Greenwich Observatory. Nautical Almanac Office. The Astronomical Almanac : Data for Astronomy, Space Sciences, Geodesy, Surveying, Navigation and Other Applications / Issued by Her Majesty's NauticalAlmanac Office, Royal Greenwich Observatory ..: Data for Astronomy, Space Sciences, Geodesy, Surveying, Navigation and Other Applications. London ; Washington: H.M.S.O. ;, 1985.
MLA (9th ed.) CitationRoyal Greenwich Observatory. Nautical Almanac Office. The Astronomical Almanac : Data for Astronomy, Space Sciences, Geodesy, Surveying, Navigation and Other Applications / Issued by Her Majesty's NauticalAlmanac Office, Royal Greenwich Observatory ..: Data for Astronomy, Space Sciences, Geodesy, Surveying, Navigation and Other Applications. H.M.S.O. ;, 1985.