APA (7th ed.) Citation

Ley, W. (1969). Events in space. D. McKay Co..

Chicago Style (17th ed.) Citation

Ley, Willy. Events in Space. New York: D. McKay Co., 1969.

MLA (9th ed.) Citation

Ley, Willy. Events in Space. D. McKay Co., 1969.

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