Comparison of information display concepts for landing of VTOL aircraft

Chicago citation style
Gracey, William. Comparison of information display concepts for landing of VTOL aircraft. 1968. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011444493. (Accessed July 10, 2020.)
APA citation style
Gracey, William, (1968) Comparison of information display concepts for landing of VTOL aircraft. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011444493
MLA citation style
Gracey, William. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011444493>.
Note: These citations are programmatically generated and may be incomplete.