APA (7th ed.) Citation

Klein, U., Wohltmann, I., Lindner, K., & Kuenzi, K. (2000). Ozone depletion and chlorine activation in the Arctic winter 1999/2000 observed in Ny-Ålesund, Spitsbergen.

Chicago Style (17th ed.) Citation

Klein, U., Ingo Wohltmann, K. Lindner, and K. Kuenzi. Ozone Depletion and Chlorine Activation in the Arctic Winter 1999/2000 Observed in Ny-Ålesund, Spitsbergen. 2000.

MLA (9th ed.) Citation

Klein, U., et al. Ozone Depletion and Chlorine Activation in the Arctic Winter 1999/2000 Observed in Ny-Ålesund, Spitsbergen. 2000.