Gaya APA

Ehleringer, J, R. et al (2005). A History of Atmospheric CO2 and Its Effects on Plants, Animals, and Ecosystems (1st ed.). New York: Springer.

Gaya MLA

Ehleringer, James, R.. et al. "A History of Atmospheric CO2 and Its Effects on Plants, Animals, and Ecosystems". 1st ed. New York: Springer, 2005. E Book.