Cita APA (7th ed.)
Ward, P. D. (2009). The medea hypothesis: Is life on earth ultimately self-destructive? Princeton University Press.
Cita Chicago (17th ed.)
Ward, Peter Douglas. The Medea Hypothesis: Is Life on Earth Ultimately Self-destructive? Princeton: Princeton University Press, 2009.
Cita MLA (9th ed.)
Ward, Peter Douglas. The Medea Hypothesis: Is Life on Earth Ultimately Self-destructive? Princeton University Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.