Newly Commissioned US Navy (USN) Ensigns (ESN) and US Marine Corps (USMC) Second Lieutenants (2LT) celebrate their new positions by throwing their covers into the air during the US Naval Academys Graduation and Commissioning Ceremony held at Annapolis, Maryland (MD). The hat toss, now a traditional ending to the ceremony, originated at the Naval Academy in 1912, and has since become the symbolic and visual end to the four-year program

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Newly Commissioned US Navy (USN) Ensigns (ESN) and US Marine Corps (USMC) Second Lieutenants (2LT) celebrate their new positions by throwing their covers into the air during the US Naval Academys Graduation and Commissioning Ceremony held at Annapolis, Maryland (MD). The hat toss, now a traditional ending to the ceremony, originated at the Naval Academy in 1912, and has since become the symbolic and visual end to the four-year program. 2004-05-28. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6641248. (Accessed October 16, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (2004-05-28) Newly Commissioned US Navy (USN) Ensigns (ESN) and US Marine Corps (USMC) Second Lieutenants (2LT) celebrate their new positions by throwing their covers into the air during the US Naval Academys Graduation and Commissioning Ceremony held at Annapolis, Maryland (MD). The hat toss, now a traditional ending to the ceremony, originated at the Naval Academy in 1912, and has since become the symbolic and visual end to the four-year program. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6641248
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/6641248>.
Note: These citations are programmatically generated and may be incomplete.