APA (7th ed.) Citation

Sigmond, M., Siegmund, P., Manzini, E., & Kelder, H. (2004). A simulation of the separate climate effects of middle-atmospheric and troposheric CO2 doubling.

Chicago Style (17th ed.) Citation

Sigmond, M., P.C Siegmund, E. Manzini, and H.M Kelder. A Simulation of the Separate Climate Effects of Middle-atmospheric and Troposheric CO2 Doubling. 2004.

MLA (9th ed.) Citation

Sigmond, M., et al. A Simulation of the Separate Climate Effects of Middle-atmospheric and Troposheric CO2 Doubling. 2004.