Cita APA (7th ed.)

Stengel, R., & Knauer, K. (2011). Nature's extremes: Earthquakes, tsunamis and the other natural disasters that shape life on Earth. Time Books.

Cita Chicago (17th ed.)

Stengel, Richard, i Kelly Knauer. Nature's Extremes: Earthquakes, Tsunamis and the Other Natural Disasters That Shape Life on Earth. New York, N.Y: Time Books, 2011.

Cita MLA (9th ed.)

Stengel, Richard, i Kelly Knauer. Nature's Extremes: Earthquakes, Tsunamis and the Other Natural Disasters That Shape Life on Earth. Time Books, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.