The American flag still stands after a fierce tornado swept through Oklahoma and the outskirts of Tinker Air Force Base. Said to be Oklahoma's worst tornado in 17 years, it was categorized by meteorologists as F-5 using the Fujita-Pearson scale and destroyed nearly 2,000 homes and damaged 7,000 others. This photograph was used in the article "Real-life Twister," from the September 1999 AIRMAN Magazine

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. The American flag still stands after a fierce tornado swept through Oklahoma and the outskirts of Tinker Air Force Base. Said to be Oklahoma's worst tornado in 17 years, it was categorized by meteorologists as F-5 using the Fujita-Pearson scale and destroyed nearly 2,000 homes and damaged 7,000 others. This photograph was used in the article "Real-life Twister," from the September 1999 AIRMAN Magazine. 1999-09-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6515863. (Accessed October 21, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1999-09-01) The American flag still stands after a fierce tornado swept through Oklahoma and the outskirts of Tinker Air Force Base. Said to be Oklahoma's worst tornado in 17 years, it was categorized by meteorologists as F-5 using the Fujita-Pearson scale and destroyed nearly 2,000 homes and damaged 7,000 others. This photograph was used in the article "Real-life Twister," from the September 1999 AIRMAN Magazine. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6515863
MLA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/6515863>.
Note: These citations are programmatically generated and may be incomplete.