[World War I soldier walking guard duty with barbed wire fence in the background] Copyright 1918. [Martin F. Thompson]

Chicago citation style
Office for Emergency Management. Office of War Information. Domestic Operations Branch. Bureau of Graphics. 7/31/1944-9/15/1945. [World War I soldier walking guard duty with barbed wire fence in the background] Copyright 1918. [Martin F. Thompson]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7387502. (Accessed June 21, 2018.)
APA citation style
Office for Emergency Management. Office of War Information. Domestic Operations Branch. Bureau of Graphics. 7/31/1944-9/15/1945, [World War I soldier walking guard duty with barbed wire fence in the background] Copyright 1918. [Martin F. Thompson]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7387502
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/7387502>.
Note: These citations are programmatically generated and may be incomplete.