Science Center under construction, Seattle World's Fair, ca. 1961

Chicago citation style
Unknown. Science Center under construction, Seattle World's Fair, ca. 1961. ca. 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/742. (Accessed October 24, 2018.)
APA citation style
Unknown, (ca. 1961) Science Center under construction, Seattle World's Fair, ca. 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/742
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmohai/id/742>.
Note: These citations are programmatically generated and may be incomplete.