The Christmas spirit according to the 184-inch cyclotron tool room workers: A Christmas tree made of metal filings and fittings. Photograph taken December 21, 1943

Chicago citation style
Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012-. The Christmas spirit according to the 184-inch cyclotron tool room workers: A Christmas tree made of metal filings and fittings. Photograph taken December 21, 1943. 1943-12-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22118150. (Accessed July 18, 2018.)
APA citation style
Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012-, (1943-12-21) The Christmas spirit according to the 184-inch cyclotron tool room workers: A Christmas tree made of metal filings and fittings. Photograph taken December 21, 1943. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/22118150
MLA citation style
Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012-. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/22118150>.
Note: These citations are programmatically generated and may be incomplete.