APA (7th ed.) Citation

Altrock, R. C., Rybanský, M., Minarovjech, M., & Rušin, V. Coronal index of solar activity for 1998.

Chicago Style (17th ed.) Citation

Altrock, R. C., M. Rybanský, M. Minarovjech, and Vojtech Rušin. Coronal Index of Solar Activity for 1998.

MLA (9th ed.) Citation

Altrock, R. C., et al. Coronal Index of Solar Activity for 1998.