Central tower of the suspension bridge of the sand and gravel conveyor, Grand Coulee Dam construction site, April 8, 1938

Chicago citation style
Central tower of the suspension bridge of the sand and gravel conveyor, Grand Coulee Dam construction site, April 8, 1938. 1938. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/grandcoulee/id/181. (Accessed June 24, 2018.)
APA citation style
(1938) Central tower of the suspension bridge of the sand and gravel conveyor, Grand Coulee Dam construction site, April 8, 1938. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/grandcoulee/id/181
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/grandcoulee/id/181>.
Note: These citations are programmatically generated and may be incomplete.