Planes flying in formation at the Washington International Air Fair held at Paine Airfield, Everett, Washington, July 21, 1974

Chicago citation style
Wallen, Don, Unidentified. Planes flying in formation at the Washington International Air Fair held at Paine Airfield, Everett, Washington, July 21, 1974. 1974. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/741. (Accessed April 25, 2018.)
APA citation style
Wallen, Don, Unidentified, (1974) Planes flying in formation at the Washington International Air Fair held at Paine Airfield, Everett, Washington, July 21, 1974. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/741
MLA citation style
Wallen, Don, Unidentified. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/hupy/id/741>.
Note: These citations are programmatically generated and may be incomplete.