APA (7th ed.) Citation

Gray, G. W. (1948). Frontiers of flight: The story of NACA research ([1st ed.].). A. A. Knopf.

Chicago Style (17th ed.) Citation

Gray, George W. Frontiers of Flight: The Story of NACA Research. [1st ed.]. New York: A. A. Knopf, 1948.

MLA (9th ed.) Citation

Gray, George W. Frontiers of Flight: The Story of NACA Research. [1st ed.]. A. A. Knopf, 1948.