US Air Force (USAF) STAFF Sergeant (SSGT) Edgardo Dizon (front) and SENIOR AIRMAN (SRA) Matthew Copps work on the Enhanced Terminal Voice Switch (ETVS) at Andersen Air Force Base (AFB), Guam. The ETVS controls all radio and telephone systems needed to control air traffic

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. US Air Force (USAF) STAFF Sergeant (SSGT) Edgardo Dizon (front) and SENIOR AIRMAN (SRA) Matthew Copps work on the Enhanced Terminal Voice Switch (ETVS) at Andersen Air Force Base (AFB), Guam. The ETVS controls all radio and telephone systems needed to control air traffic. 2003-11-12. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6658797. (Accessed June 18, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (2003-11-12) US Air Force (USAF) STAFF Sergeant (SSGT) Edgardo Dizon (front) and SENIOR AIRMAN (SRA) Matthew Copps work on the Enhanced Terminal Voice Switch (ETVS) at Andersen Air Force Base (AFB), Guam. The ETVS controls all radio and telephone systems needed to control air traffic. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6658797
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/6658797>.
Note: These citations are programmatically generated and may be incomplete.