Ernest Orlando Lawrence and his brother John Lawrence (rear) at control panel of 60-inch cyclotron shortly after it began operation in 1938. Morgue 1958-8 (P-17). [Photographer: Donald Cooksey]

Chicago citation style
Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012. Ernest Orlando Lawrence and his brother John Lawrence (rear) at control panel of 60-inch cyclotron shortly after it began operation in 1938. Morgue 1958-8 (P-17). [Photographer: Donald Cooksey]. 1938. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7665777. (Accessed October 19, 2018.)
APA citation style
Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012, (1938) Ernest Orlando Lawrence and his brother John Lawrence (rear) at control panel of 60-inch cyclotron shortly after it began operation in 1938. Morgue 1958-8 (P-17). [Photographer: Donald Cooksey]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/7665777
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/7665777>.
Note: These citations are programmatically generated and may be incomplete.