Hydro Power exhibit, three-quarters view, Seattle World's Fair, June, 1961

Chicago citation style
Couch, Alden B.. Hydro Power exhibit, three-quarters view, Seattle World's Fair, June, 1961. 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/3477. (Accessed July 22, 2018.)
APA citation style
Couch, Alden B., (1961) Hydro Power exhibit, three-quarters view, Seattle World's Fair, June, 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/3477
MLA citation style
Couch, Alden B.. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/3477>.
Note: These citations are programmatically generated and may be incomplete.