APA (7th ed.) Citation

United States. National Defense Advisory Commission. (1940). Defense, Vol. 1, No. 18. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Defense Advisory Commission. Defense, Vol. 1, No. 18. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

United States. National Defense Advisory Commission. Defense, Vol. 1, No. 18. [s.n.], 1940.

Warning: These citations may not always be 100% accurate.