Cita APA (7th ed.)
Kevin M. Simmons, D. S. Economic and Societal Impacts of Tornadoes. American Meteorological Society.
Cita Chicago (17th ed.)
Kevin M. Simmons, Daniel Sutter. Economic and Societal Impacts of Tornadoes. Boston, EUA: American Meteorological Society.
Cita MLA (9th ed.)
Kevin M. Simmons, Daniel Sutter. Economic and Societal Impacts of Tornadoes. American Meteorological Society.
Atenció: Aquestes cites poden no estar 100% correctes.