"TVA shovel working on temporary roadway at Norris Dam site."

Chicago citation style
Tennessee Valley Authority. 1933. "TVA shovel working on temporary roadway at Norris Dam site.". 1933-10-30. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/532699. (Accessed September 25, 2018.)
APA citation style
Tennessee Valley Authority. 1933, (1933-10-30) "TVA shovel working on temporary roadway at Norris Dam site.". Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/532699
MLA citation style
Tennessee Valley Authority. 1933. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/532699>.
Note: These citations are programmatically generated and may be incomplete.