Cita APA (7th ed.)
Mason, C. (2003). The 2030 spike: Countdown to global catastrophe. Earthscan Publications.
Cita Chicago (17th ed.)
Mason, Colin. The 2030 Spike: Countdown to Global Catastrophe. London ; Sterling, VA: Earthscan Publications, 2003.
Cita MLA (9th ed.)
Mason, Colin. The 2030 Spike: Countdown to Global Catastrophe. Earthscan Publications, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.