APA (7th ed.) Citation

Danilov, A. D., Danilov, A. D., & Mikhailov, A. V. (1999). <i>Letter to the Editor</i>: Spatial and seasonal variations of the <i>fo</i>F2 long-term trends. Copernicus Publications.

Chicago Style (17th ed.) Citation

Danilov, A. D., A. D. Danilov, and A. V. Mikhailov. <i>Letter to the Editor</i>: Spatial and Seasonal Variations of the <i>fo</i>F2 Long-term Trends. Copernicus Publications, 1999.

MLA (8th ed.) Citation

Danilov, A. D., et al. <i>Letter to the Editor</i>: Spatial and Seasonal Variations of the <i>fo</i>F2 Long-term Trends. Copernicus Publications, 1999.