A port quarter view of the 44-gun sail frigate USS CONSTITUTION moored in the harbor. The ship is being prepared for its annual turnaround cruise. Each 4th of July the ship is towed into the harbor, a 21-gun salute to the nation is fired, then the ship is turned around and returned to its mooring. The CONSTITUTION, launched October 21, 1797, is the oldest ship remaining on the Navy list

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. A port quarter view of the 44-gun sail frigate USS CONSTITUTION moored in the harbor. The ship is being prepared for its annual turnaround cruise. Each 4th of July the ship is towed into the harbor, a 21-gun salute to the nation is fired, then the ship is turned around and returned to its mooring. The CONSTITUTION, launched October 21, 1797, is the oldest ship remaining on the Navy list. 1992-07-04. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6482735. (Accessed October 20, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1992-07-04) A port quarter view of the 44-gun sail frigate USS CONSTITUTION moored in the harbor. The ship is being prepared for its annual turnaround cruise. Each 4th of July the ship is towed into the harbor, a 21-gun salute to the nation is fired, then the ship is turned around and returned to its mooring. The CONSTITUTION, launched October 21, 1797, is the oldest ship remaining on the Navy list. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6482735
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/6482735>.
Note: These citations are programmatically generated and may be incomplete.