US Air Force (USAF) SENIOR AIRMAN (SRA) Kevin Cain (left) and SRA Bill Cacek, from the 90th Space Wing (SW), F.E. Warren Air Force Base (AFB), Wyoming (WY), works on his unit's equipment for the pneudraulics event at Vandenberg Air Force Base (AFB), California (CA). Guardian Challenge, the world's premier space and missile competition, is a four-day event hosted annually at Vandenberg AFB

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. US Air Force (USAF) SENIOR AIRMAN (SRA) Kevin Cain (left) and SRA Bill Cacek, from the 90th Space Wing (SW), F.E. Warren Air Force Base (AFB), Wyoming (WY), works on his unit's equipment for the pneudraulics event at Vandenberg Air Force Base (AFB), California (CA). Guardian Challenge, the world's premier space and missile competition, is a four-day event hosted annually at Vandenberg AFB. 2004-05-05. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6662972. (Accessed November 15, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (2004-05-05) US Air Force (USAF) SENIOR AIRMAN (SRA) Kevin Cain (left) and SRA Bill Cacek, from the 90th Space Wing (SW), F.E. Warren Air Force Base (AFB), Wyoming (WY), works on his unit's equipment for the pneudraulics event at Vandenberg Air Force Base (AFB), California (CA). Guardian Challenge, the world's premier space and missile competition, is a four-day event hosted annually at Vandenberg AFB. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6662972
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/6662972>.
Note: These citations are programmatically generated and may be incomplete.