APA (7th ed.) Citation

Yost. (1989). Spies in the sky. Facts on File.

Chicago Style (17th ed.) Citation

Yost. Spies in the Sky. New York: Facts on File, 1989.

MLA (8th ed.) Citation

Yost. Spies in the Sky. Facts on File, 1989.

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