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 June 21, 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.