APA (7th ed.) Citation

Shenton, E. (1937). Couriers of the clouds: The romance of the air mail (Rev. & enl. ed.). Macrae Smith.

Chicago Style (17th ed.) Citation

Shenton, Edward. Couriers of the Clouds: The Romance of the Air Mail. Rev. & enl. ed. Philadelphia: Macrae Smith, 1937.

MLA (9th ed.) Citation

Shenton, Edward. Couriers of the Clouds: The Romance of the Air Mail. Rev. & enl. ed. Macrae Smith, 1937.