Botch, S. R., & Johnson, R. D. (2008). Drug usage in pilots involved in aviation accidents compared with drug usage in the general population: From 1990 to 2005. Office of Aerospace Medicine, Federal Aviation Administration.
Chicago Style (17th ed.) CitationBotch, Sabra R., and Robert D. Johnson. Drug Usage in Pilots Involved in Aviation Accidents Compared with Drug Usage in the General Population: From 1990 to 2005. Washington, DC: Office of Aerospace Medicine, Federal Aviation Administration, 2008.
MLA (9th ed.) CitationBotch, Sabra R., and Robert D. Johnson. Drug Usage in Pilots Involved in Aviation Accidents Compared with Drug Usage in the General Population: From 1990 to 2005. Office of Aerospace Medicine, Federal Aviation Administration, 2008.
Warning: These citations may not always be 100% accurate.