APA (7th ed.) Citation

Kudela, K., Badruddin, & Valdés-Galicia, J. F. Cosmic Ray Variability: Century of Its Observations. Wiley.

Chicago Style (17th ed.) Citation

Kudela, Karel, Badruddin, and José F. Valdés-Galicia. Cosmic Ray Variability: Century of Its Observations. Wiley.

MLA (9th ed.) Citation

Kudela, Karel, et al. Cosmic Ray Variability: Century of Its Observations. Wiley.