APA (7th ed.) Citation

Ley, W. (1944). Rockets: The future of travel beyond the stratosphere. Viking Press.

Chicago Style (17th ed.) Citation

Ley, Willy. Rockets: The Future of Travel Beyond the Stratosphere. New York: Viking Press, 1944.

MLA (8th ed.) Citation

Ley, Willy. Rockets: The Future of Travel Beyond the Stratosphere. Viking Press, 1944.

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