APA (7th ed.) Citation

Altrock, R. C., Rybanský, M., Rušin, V., & Minarovjech, M. Coronal index of solar activity for 1996.

Chicago Style (17th ed.) Citation

Altrock, R. C., M. Rybanský, Vojtech Rušin, and M. Minarovjech. Coronal Index of Solar Activity for 1996.

MLA (9th ed.) Citation

Altrock, R. C., et al. Coronal Index of Solar Activity for 1996.