APA (7th ed.) Citation

Blunden, J., & Arndt, D. S. (2012). State of the Climate in 2011. Bulletin of the American Meteorological Society, 93, S1. https://doi.org/10.1175/2012BAMSStateoftheClimate.1

Chicago Style (17th ed.) Citation

Blunden, Jessica, and Derek S. Arndt. "State of the Climate in 2011." Bulletin of the American Meteorological Society 93 (2012): S1. https://doi.org/10.1175/2012BAMSStateoftheClimate.1.

MLA (9th ed.) Citation

Blunden, Jessica, and Derek S. Arndt. "State of the Climate in 2011." Bulletin of the American Meteorological Society, vol. 93, 2012, p. S1, https://doi.org/10.1175/2012BAMSStateoftheClimate.1.