Rex Abel works on a gymnasticator, a device used to conduct stress tests on the recoil mechanism of Howitzers

Chicago citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994. Rex Abel works on a gymnasticator, a device used to conduct stress tests on the recoil mechanism of Howitzers. 1989-07-01. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6435181. (Accessed September 20, 2018.)
APA citation style
Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994, (1989-07-01) Rex Abel works on a gymnasticator, a device used to conduct stress tests on the recoil mechanism of Howitzers. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/6435181
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/6435181>.
Note: These citations are programmatically generated and may be incomplete.