APA (7th ed.) Citation

Krol, M., Peters, W., Hooghiemstra, P., George, M., Clerbaux, C., Hurtmans, D., . . . Muller, J. (2013, May). How much CO was emitted by the 2010 fires around Moscow? Atmospheric Chemistry and Physics.

Chicago Style (17th ed.) Citation

Krol, M., et al. "How Much CO Was Emitted by the 2010 Fires Around Moscow?" Atmospheric Chemistry and Physics May. 2013.

MLA (9th ed.) Citation

Krol, M., et al. "How Much CO Was Emitted by the 2010 Fires Around Moscow?" Atmospheric Chemistry and Physics, May. 2013.

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