Interior of power plant during construction of the Grand Coulee Dam showing generators with six of nine in place, ca. 1940

Chicago citation style
Interior of power plant during construction of the Grand Coulee Dam showing generators with six of nine in place, ca. 1940. ca. 1940. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/grandcoulee/id/724. (Accessed October 22, 2018.)
APA citation style
(ca. 1940) Interior of power plant during construction of the Grand Coulee Dam showing generators with six of nine in place, ca. 1940. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/grandcoulee/id/724
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/grandcoulee/id/724>.
Note: These citations are programmatically generated and may be incomplete.