APA (7th ed.) Citation

Pierce, D. (1967). A simple flexible supersonic wind tunnell nozzle for the rapid and accurate variation of flow mach number. H.M.S.O..

Chicago Style (17th ed.) Citation

Pierce, D. A Simple Flexible Supersonic Wind Tunnell Nozzle for the Rapid and Accurate Variation of Flow Mach Number. London: H.M.S.O., 1967.

MLA (9th ed.) Citation

Pierce, D. A Simple Flexible Supersonic Wind Tunnell Nozzle for the Rapid and Accurate Variation of Flow Mach Number. H.M.S.O., 1967.