I.A.T.A. symposium on the maintenance and operation of turbine-powered aircraft [held during the] fourth annual technical conference, Asbury Park, New Jersey, May, 1950.
[An edited version of the verbatim transcript]

APA Citation

International Air Transport Association. (1950). I.A.T.A. symposium on the maintenance and operation of turbine-powered aircraft [held during the] fourth annual technical conference, Asbury Park, New Jersey, May, 1950: [An edited version of the verbatim transcript]. Montreal.

MLA Citation

International Air Transport Association. I.A.T.A. Symposium On the Maintenance And Operation of Turbine-powered Aircraft [held During The] Fourth Annual Technical Conference, Asbury Park, New Jersey, May, 1950: [An Edited Version of the Verbatim Transcript]. Montreal, 1950.

Warning: These citations may not always be complete (especially for serials).