APA (7th ed.) Citation

Idso, C. D., & Idso, S. B. (2009). CO 2, global warming, and species extinctions: Prospects for the future. Vales Lake Publ.

Chicago Style (17th ed.) Citation

Idso, Craig D., and Sherwood B. Idso. CO 2, Global Warming, and Species Extinctions: Prospects for the Future. Pueblo West, CO: Vales Lake Publ, 2009.

MLA (9th ed.) Citation

Idso, Craig D., and Sherwood B. Idso. CO 2, Global Warming, and Species Extinctions: Prospects for the Future. Vales Lake Publ, 2009.