APA (7th ed.) Citation

Grazulis, T. P. (2001). The tornado: Nature's ultimate windstorm. University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Grazulis, T. P. The Tornado: Nature's Ultimate Windstorm. Norman: University of Oklahoma Press, 2001.

MLA (9th ed.) Citation

Grazulis, T. P. The Tornado: Nature's Ultimate Windstorm. University of Oklahoma Press, 2001.