Conkin, P. K. (2007). The State of the Earth: Environmental Challenges on the Road to 2100. University Press of Kentucky.
Style de citation Chicago (17e éd.)Conkin, Paul Keith. The State of the Earth: Environmental Challenges on the Road to 2100. Lexington, Ky.: University Press of Kentucky, 2007.
Style de citation MLA (8e éd.)Conkin, Paul Keith. The State of the Earth: Environmental Challenges on the Road to 2100. University Press of Kentucky, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.