Ernest Orlando Lawrence talking to workers near construction site of 184-inch cyclotron. Digitally manipulated composition of Cooksey-720 and Cooksey-578. Original photograph taken October 23, 1941. [Photograph by: Roy Kaltschmidt]

Chicago citation style
Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012-. Ernest Orlando Lawrence talking to workers near construction site of 184-inch cyclotron. Digitally manipulated composition of Cooksey-720 and Cooksey-578. Original photograph taken October 23, 1941. [Photograph by: Roy Kaltschmidt]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/39146946. (Accessed May 27, 2018.)
APA citation style
Department of Energy. Lawrence Berkeley National Laboratory. Public Affairs Department. Strategic Resources Office. Photography Services. 2012-, Ernest Orlando Lawrence talking to workers near construction site of 184-inch cyclotron. Digitally manipulated composition of Cooksey-720 and Cooksey-578. Original photograph taken October 23, 1941. [Photograph by: Roy Kaltschmidt]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/39146946
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/39146946>.
Note: These citations are programmatically generated and may be incomplete.