Maintenance crewmen work on an external fuel tank from a Helicopter Combat Support Squadron 4 (HC-4) CH-53E Super Stallion helicopter at the Lungi airport, just north of Freetown, Sierra Leone, during Operation Sharp Edge. A detachment from HC-4 is working in conjunction with amphibious ready group that is in place off the coast of Liberia to provide support for the U.S. Embassy in Monrovia, Liberia, and evacuate civilians caught in that country's civil war

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Maintenance crewmen work on an external fuel tank from a Helicopter Combat Support Squadron 4 (HC-4) CH-53E Super Stallion helicopter at the Lungi airport, just north of Freetown, Sierra Leone, during Operation Sharp Edge. A detachment from HC-4 is working in conjunction with amphibious ready group that is in place off the coast of Liberia to provide support for the U.S. Embassy in Monrovia, Liberia, and evacuate civilians caught in that country's civil war. 1990-08-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6468093. (Accessed October 22, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1990-08-31) Maintenance crewmen work on an external fuel tank from a Helicopter Combat Support Squadron 4 (HC-4) CH-53E Super Stallion helicopter at the Lungi airport, just north of Freetown, Sierra Leone, during Operation Sharp Edge. A detachment from HC-4 is working in conjunction with amphibious ready group that is in place off the coast of Liberia to provide support for the U.S. Embassy in Monrovia, Liberia, and evacuate civilians caught in that country's civil war. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6468093
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/6468093>.
Note: These citations are programmatically generated and may be incomplete.