APA (7th ed.) Citation

(1940). Wind-tunnel investigation of an N. A. C. A. 23030 airfoil with various arrangements of slotted flaps. [s.n.].

Chicago Style (17th ed.) Citation

Wind-tunnel Investigation of an N. A. C. A. 23030 Airfoil with Various Arrangements of Slotted Flaps. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

Wind-tunnel Investigation of an N. A. C. A. 23030 Airfoil with Various Arrangements of Slotted Flaps. [s.n.], 1940.