Cita APA (7a ed.)

Meyer, F. d. (2005). Westward drift in the secular variation of the main geomagnetic field detived from IGRF models [Recurs electrònic]. Koninklijk Meteorologisch Institut van Belgie.

Cita Chicago Style (17a ed.)

Meyer, F. de. Westward Drift in the Secular Variation of the Main Geomagnetic Field Detived from IGRF Models [Recurs Electrònic]. Brussel: Koninklijk Meteorologisch Institut van Belgie, 2005.

Cita MLA (9a ed.)

Meyer, F. de. Westward Drift in the Secular Variation of the Main Geomagnetic Field Detived from IGRF Models [Recurs Electrònic]. Koninklijk Meteorologisch Institut van Belgie, 2005.