APA (7th ed.) Citation

Sýkora, J. Intensity variations of the solar corona over 4.5 solar activity cycles.

Chicago Style (17th ed.) Citation

Sýkora, Július. Intensity Variations of the Solar Corona over 4.5 Solar Activity Cycles.

MLA (9th ed.) Citation

Sýkora, Július. Intensity Variations of the Solar Corona over 4.5 Solar Activity Cycles.

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