APA (7th ed.) Citation

Valach, F., Váczyová, M., Koči, E., & Koči, E. Variations in the magnetic declination at mid-latitude European stations during the Carrington-like event on 29 October 2003. Copernicus Publications.

Chicago Style (17th ed.) Citation

Valach, F., M. Váczyová, E. Koči, and E. Koči. Variations in the Magnetic Declination at Mid-latitude European Stations During the Carrington-like Event on 29 October 2003. Copernicus Publications.

MLA (9th ed.) Citation

Valach, F., et al. Variations in the Magnetic Declination at Mid-latitude European Stations During the Carrington-like Event on 29 October 2003. Copernicus Publications.

Warning: These citations may not always be 100% accurate.