APA način citiranja (7. izdanje)
Ward, P. D. (2009). The medea hypothesis: Is life on earth ultimately self-destructive? Princeton University Press.
Čikaški stil citiranja (17. izdanje)
Ward, Peter Douglas. The Medea Hypothesis: Is Life on Earth Ultimately Self-destructive? Princeton: Princeton University Press, 2009.
MLA način citiranja (9. izdanje)
Ward, Peter Douglas. The Medea Hypothesis: Is Life on Earth Ultimately Self-destructive? Princeton University Press, 2009.
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