STAFF Sergeant Christopher Johnson, 148th Security Forces Squadron, Duluth Air National Guard, Duluth International Airport (IAP), Minnesota, stands vigilant at one of the Wing's displaced entry control points on September 12, 2001. Force Protection condition Delta was implemented at the Wing as a direct result of the terrorists attacks on September 11, 2001 in New York and Washington D.C

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. STAFF Sergeant Christopher Johnson, 148th Security Forces Squadron, Duluth Air National Guard, Duluth International Airport (IAP), Minnesota, stands vigilant at one of the Wing's displaced entry control points on September 12, 2001. Force Protection condition Delta was implemented at the Wing as a direct result of the terrorists attacks on September 11, 2001 in New York and Washington D.C. 2001-09-12. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6523876. (Accessed October 22, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (2001-09-12) STAFF Sergeant Christopher Johnson, 148th Security Forces Squadron, Duluth Air National Guard, Duluth International Airport (IAP), Minnesota, stands vigilant at one of the Wing's displaced entry control points on September 12, 2001. Force Protection condition Delta was implemented at the Wing as a direct result of the terrorists attacks on September 11, 2001 in New York and Washington D.C. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6523876
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/6523876>.
Note: These citations are programmatically generated and may be incomplete.