APA (7th ed.) Citation

Toon, G., Blavier, J. F., Sen, B., Salawitch, R., Osterman, G., Notholt, J., . . . Russell, J. I. (2004). Ground-based Observations of Arctic O***sub3*** Loss During Spring and Summer 1997.

Chicago Style (17th ed.) Citation

Toon, G., et al. Ground-based Observations of Arctic O***sub3*** Loss During Spring and Summer 1997. 2004.

MLA (9th ed.) Citation

Toon, G., et al. Ground-based Observations of Arctic O***sub3*** Loss During Spring and Summer 1997. 2004.

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