Cita APA (7a ed.)

Nautical Almanac Offices of the United Kingdom and the United States of America. (1961). Explanatory suplement to the astronomical ephemeris and the american ephemeris and nautical almanac. Her Majesty's Stationery Office.

Cita Chicago Style (17a ed.)

Nautical Almanac Offices of the United Kingdom and the United States of America. Explanatory Suplement to the Astronomical Ephemeris and the American Ephemeris and Nautical Almanac. London: Her Majesty's Stationery Office, 1961.

Cita MLA (9a ed.)

Nautical Almanac Offices of the United Kingdom and the United States of America. Explanatory Suplement to the Astronomical Ephemeris and the American Ephemeris and Nautical Almanac. Her Majesty's Stationery Office, 1961.