APA (7th ed.) Citation

Butler, E. C., & Keller, J. M. R2O2R Improvements Identified by United States Space Weather Forecasters. Wiley.

Chicago Style (17th ed.) Citation

Butler, E. C., and J. M. Keller. R2O2R Improvements Identified by United States Space Weather Forecasters. Wiley.

MLA (9th ed.) Citation

Butler, E. C., and J. M. Keller. R2O2R Improvements Identified by United States Space Weather Forecasters. Wiley.

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