APA (7th ed.) Citation

Harper, H. (1946). Winged world: The coming of the air age. Scientific Book Club.

Chicago Style (17th ed.) Citation

Harper, Harry. Winged World: The Coming of the Air Age. London: Scientific Book Club, 1946.

MLA (8th ed.) Citation

Harper, Harry. Winged World: The Coming of the Air Age. Scientific Book Club, 1946.

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