25th anniversary of the discovery of plutonium. Group, including Glenn Seaborg and Edwin McMillan, with a plaque designating Room 307 of Gilman Hall a National Historic Landmark, taken February 21, 1966. Morgue 1966-12 (P-21) [Photographer: Donald Cooksey]

Chicago citation style
Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012-. 25th anniversary of the discovery of plutonium. Group, including Glenn Seaborg and Edwin McMillan, with a plaque designating Room 307 of Gilman Hall a National Historic Landmark, taken February 21, 1966. Morgue 1966-12 (P-21) [Photographer: Donald Cooksey]. 1966-02-21. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7665629. (Accessed June 25, 2018.)
APA citation style
Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012-, (1966-02-21) 25th anniversary of the discovery of plutonium. Group, including Glenn Seaborg and Edwin McMillan, with a plaque designating Room 307 of Gilman Hall a National Historic Landmark, taken February 21, 1966. Morgue 1966-12 (P-21) [Photographer: Donald Cooksey]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7665629
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/7665629>.
Note: These citations are programmatically generated and may be incomplete.