A photographer's mate stands by in front of a CH-46 Sea Knight helicopter of Helicopter Combat Support Squadron 3 (HC-3) stands for a medical evacuation drill held in conjunction with the Naval Regional Medical Center during PACEX '89

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. A photographer's mate stands by in front of a CH-46 Sea Knight helicopter of Helicopter Combat Support Squadron 3 (HC-3) stands for a medical evacuation drill held in conjunction with the Naval Regional Medical Center during PACEX '89. 1989-09-15. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6457149. (Accessed July 21, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (1989-09-15) A photographer's mate stands by in front of a CH-46 Sea Knight helicopter of Helicopter Combat Support Squadron 3 (HC-3) stands for a medical evacuation drill held in conjunction with the Naval Regional Medical Center during PACEX '89. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6457149
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/6457149>.
Note: These citations are programmatically generated and may be incomplete.