APA-viite (7. p.)
Firor, J., & Jacobsen, J. (2002). The crowded greenhouse: Population, climate change, and creating a sustainable world. Yale University Press.
Chicago-viite (17. p.)
Firor, John, ja Judith Jacobsen. The Crowded Greenhouse: Population, Climate Change, and Creating a Sustainable World. New Haven: Yale University Press, 2002.
MLA-viite (9. p.)
Firor, John, ja Judith Jacobsen. The Crowded Greenhouse: Population, Climate Change, and Creating a Sustainable World. Yale University Press, 2002.
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