APA (7th ed.) Citation

Grey, C. G. (1942). The history of combat airplanes. [Norwich University].

Chicago Style (17th ed.) Citation

Grey, Charles Grey. The History of Combat Airplanes. [Northfield, Vt.]: [Norwich University], 1942.

MLA (9th ed.) Citation

Grey, Charles Grey. The History of Combat Airplanes. [Norwich University], 1942.