APA (7th ed.) Citation

Cierva, J. d. l., Rose, D. F., & Ray, J. G. (1931). Wings of tomorrow: The story of the autogiro. Brewer, Warren & Putnam.

Chicago Style (17th ed.) Citation

Cierva, Juan de la, Donald F. Rose, and James G. Ray. Wings of Tomorrow: The Story of the Autogiro. [New York]: Brewer, Warren & Putnam, 1931.

MLA (9th ed.) Citation

Cierva, Juan de la, et al. Wings of Tomorrow: The Story of the Autogiro. Brewer, Warren & Putnam, 1931.