APA (7th ed.) Citation

United States. National Advisory Committee for Aeronautics & ProQuest (Firm). (1940). Twenty-fifth Annual Report of the National Advisory Committee for Aeronautics. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. National Advisory Committee for Aeronautics and ProQuest (Firm). Twenty-fifth Annual Report of the National Advisory Committee for Aeronautics. Washington: [publisher not identified], 1940.

MLA (9th ed.) Citation

United States. National Advisory Committee for Aeronautics and ProQuest (Firm). Twenty-fifth Annual Report of the National Advisory Committee for Aeronautics. [publisher not identified], 1940.