U.S. Air Force AIRMAN Matthew Bernard (foreground) wears a water filled mask while performing over one thousand flutter kicks after 20 hours of non-stop physical training during an extended training day at the Pararescue Indoctrination Training Center, Medina Annex, Lackland Air Force Base, Texas, April 6, 2006. (U.S. Air Force photo by TECH SGT. Cecilio M. Ricardo, Jr.) (Released)

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. U.S. Air Force AIRMAN Matthew Bernard (foreground) wears a water filled mask while performing over one thousand flutter kicks after 20 hours of non-stop physical training during an extended training day at the Pararescue Indoctrination Training Center, Medina Annex, Lackland Air Force Base, Texas, April 6, 2006. (U.S. Air Force photo by TECH SGT. Cecilio M. Ricardo, Jr.) (Released). 2006-04-06. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6684807. (Accessed July 17, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (2006-04-06) U.S. Air Force AIRMAN Matthew Bernard (foreground) wears a water filled mask while performing over one thousand flutter kicks after 20 hours of non-stop physical training during an extended training day at the Pararescue Indoctrination Training Center, Medina Annex, Lackland Air Force Base, Texas, April 6, 2006. (U.S. Air Force photo by TECH SGT. Cecilio M. Ricardo, Jr.) (Released). Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6684807
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/6684807>.
Note: These citations are programmatically generated and may be incomplete.