[American machine gun crew fighting off an attack.] (Information on the back: Gonzalez)

Chicago citation style
Office for Emergency Management. Office of War Information. Domestic Operations Branch. Bureau of Graphics. 7/31/1944-9/15/1945. [American machine gun crew fighting off an attack.] (Information on the back: Gonzalez). Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7387480. (Accessed October 19, 2018.)
APA citation style
Office for Emergency Management. Office of War Information. Domestic Operations Branch. Bureau of Graphics. 7/31/1944-9/15/1945, [American machine gun crew fighting off an attack.] (Information on the back: Gonzalez). Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7387480
MLA citation style
Office for Emergency Management. Office of War Information. Domestic Operations Branch. Bureau of Graphics. 7/31/1944-9/15/1945. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/7387480>.
Note: These citations are programmatically generated and may be incomplete.