Location: Portland, Oregon - Date: April 1957 - Incident Number: [BLANK]

Chicago citation style
Department of Defense. Department of the Air Force. Air Force Systems Command. Foreign Technology Division. Project Blue Book Office. (7/1/1961 - 12/17/1969). Location: Portland, Oregon - Date: April 1957 - Incident Number: [BLANK]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/28969473. (Accessed May 25, 2018.)
APA citation style
Department of Defense. Department of the Air Force. Air Force Systems Command. Foreign Technology Division. Project Blue Book Office. (7/1/1961 - 12/17/1969), Location: Portland, Oregon - Date: April 1957 - Incident Number: [BLANK]. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/28969473
MLA citation style
Department of Defense. Department of the Air Force. Air Force Systems Command. Foreign Technology Division. Project Blue Book Office. (7/1/1961 - 12/17/1969). Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/28969473>.
Note: These citations are programmatically generated and may be incomplete.