Welding a penstock at Shasta Dam construction site

Chicago citation style
Gibson, T. B. Welding a penstock at Shasta Dam construction site. March 5, 1942. Retrieved from the Digital Public Library of America, http://archives.csuchico.edu/cdm/ref/collection/coll27/id/52. (Accessed December 17, 2018.)
APA citation style
Gibson, T. B, (March 5, 1942) Welding a penstock at Shasta Dam construction site. Retrieved from the Digital Public Library of America, http://archives.csuchico.edu/cdm/ref/collection/coll27/id/52
MLA citation style
Gibson, T. B. Retrieved from the Digital Public Library of America <http://archives.csuchico.edu/cdm/ref/collection/coll27/id/52>.
Note: These citations are programmatically generated and may be incomplete.