At Gia Lan Airport three American POWs stand next to the bus that brought them to prisoner exchange point, (Left to Right) USAF MAJ Hubert Kelly Flesher (Captured 2 Dec 66), USAF CPT Herbert Benjamin Ringsdorf (Captured 11 Nov 66) and U.S. Air Force CPT John H. Nasmyth Jr. (Captured 4 Sept 66)

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. At Gia Lan Airport three American POWs stand next to the bus that brought them to prisoner exchange point, (Left to Right) USAF MAJ Hubert Kelly Flesher (Captured 2 Dec 66), USAF CPT Herbert Benjamin Ringsdorf (Captured 11 Nov 66) and U.S. Air Force CPT John H. Nasmyth Jr. (Captured 4 Sept 66). 1973-02-18. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6504312. (Accessed September 26, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1973-02-18) At Gia Lan Airport three American POWs stand next to the bus that brought them to prisoner exchange point, (Left to Right) USAF MAJ Hubert Kelly Flesher (Captured 2 Dec 66), USAF CPT Herbert Benjamin Ringsdorf (Captured 11 Nov 66) and U.S. Air Force CPT John H. Nasmyth Jr. (Captured 4 Sept 66). Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6504312
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/6504312>.
Note: These citations are programmatically generated and may be incomplete.