CDR Sheppard, commanding officer of the guided missile destroyer USS HAYLER (DD-997), watches as a harbor tug pulls his vessel from port during Unitas XXXI, an annual, joint exercise between the U.S. Navy and the naval forces of nine South American countries. (Exact date shot unknown)

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-. CDR Sheppard, commanding officer of the guided missile destroyer USS HAYLER (DD-997), watches as a harbor tug pulls his vessel from port during Unitas XXXI, an annual, joint exercise between the U.S. Navy and the naval forces of nine South American countries. (Exact date shot unknown). 1990-01-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6468161. (Accessed July 23, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994-, (1990-01-01) CDR Sheppard, commanding officer of the guided missile destroyer USS HAYLER (DD-997), watches as a harbor tug pulls his vessel from port during Unitas XXXI, an annual, joint exercise between the U.S. Navy and the naval forces of nine South American countries. (Exact date shot unknown). Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6468161
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/6468161>.
Note: These citations are programmatically generated and may be incomplete.