Thomson, K. S. (2017). " Fourteen. Climate and Geography". In Jefferson's Shadow. New Haven (CT): Yale University Press. doi: https://doi.org/10.12987/9780300187403-017
Thomson, Keith Stewart. " Fourteen. Climate and Geography". Jefferson's Shadow. New Haven (CT): Yale University Press, 2017. https://doi.org/10.12987/9780300187403-017 Web.
Thomson, Keith Stewart. " Fourteen. Climate and Geography". In Jefferson's Shadow, (New Haven (CT): Yale University Press, 2017) doi: https://doi.org/10.12987/9780300187403-017
Thomson, K. S. (2017). Fourteen. Climate and Geography. In Jefferson's Shadow, New Haven (CT): Yale University Press. Available From: Yale University Press https://doi.org/10.12987/9780300187403-017 [Accessed 22 January 2021]