APA (7th ed.) Citation

HELDT, P. (1965). High-speed combustion engines: Design-production-tests. Oxford and IBH.

Chicago Style (17th ed.) Citation

HELDT, P.M. High-speed Combustion Engines: Design-production-tests. Calcutta: Oxford and IBH, 1965.

MLA (9th ed.) Citation

HELDT, P.M. High-speed Combustion Engines: Design-production-tests. Oxford and IBH, 1965.