APA (7th ed.) Citation

Massie, S., Dye, J., Baumgardner, D., Randel, W., Wu, F., Tie, X., . . . Tabazadeh, A. (1997). Simultaneous observations of Polar Stratospheric Clouds and HNO3 over Scandinavia in January, 1992.

Chicago Style (17th ed.) Citation

Massie, S., et al. Simultaneous Observations of Polar Stratospheric Clouds and HNO3 over Scandinavia in January, 1992. 1997.

MLA (9th ed.) Citation

Massie, S., et al. Simultaneous Observations of Polar Stratospheric Clouds and HNO3 over Scandinavia in January, 1992. 1997.