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 November 16, 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.