Corporal (CPL), Jeffery S. Fergoson (center), USMC, 1ST Battalion, 3rd Regiment, 3rd Marine Division, instructs a group of Philippine Marines on the proper techniques for cleaning the MK 19 40 mm grenade machine gun during Exercise BALIKATAN 2000. BALIKATAN 2000 is a joint combined field training exercise held between US and Philippines forces, and is the largest of its kind since 1995

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Corporal (CPL), Jeffery S. Fergoson (center), USMC, 1ST Battalion, 3rd Regiment, 3rd Marine Division, instructs a group of Philippine Marines on the proper techniques for cleaning the MK 19 40 mm grenade machine gun during Exercise BALIKATAN 2000. BALIKATAN 2000 is a joint combined field training exercise held between US and Philippines forces, and is the largest of its kind since 1995. 2000-02-24. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6607352. (Accessed September 19, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (2000-02-24) Corporal (CPL), Jeffery S. Fergoson (center), USMC, 1ST Battalion, 3rd Regiment, 3rd Marine Division, instructs a group of Philippine Marines on the proper techniques for cleaning the MK 19 40 mm grenade machine gun during Exercise BALIKATAN 2000. BALIKATAN 2000 is a joint combined field training exercise held between US and Philippines forces, and is the largest of its kind since 1995. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6607352
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/6607352>.
Note: These citations are programmatically generated and may be incomplete.