APA (7th ed.) Citation

Flora, S. D. (1973). Tornadoes of the United States (3. print.). Univ. of Oklahoma Press.

Chicago Style (17th ed.) Citation

Flora, Snowden D. Tornadoes of the United States. 3. print. Norman: Univ. of Oklahoma Press, 1973.

MLA (9th ed.) Citation

Flora, Snowden D. Tornadoes of the United States. 3. print. Univ. of Oklahoma Press, 1973.