APA (7th ed.) Citation

Warner, E. P. (1938). The early history of air transportation. [Norwich university].

Chicago Style (17th ed.) Citation

Warner, Edward Pearson. The Early History of Air Transportation. [Northfield, Vt.]: [Norwich university], 1938.

MLA (9th ed.) Citation

Warner, Edward Pearson. The Early History of Air Transportation. [Norwich university], 1938.