Ley, W. 1., & Ley, W. 1. (1964). Beyond the solar system. New York, New York: Viking.
Chicago Style CitationLey, Willy 1906-1969, and Willy 1906-1969 Ley. Beyond the Solar System. New York, New York: Viking, 1964.
MLA CitationLey, Willy 1906-1969, and Willy 1906-1969 Ley. Beyond the Solar System. New York, New York: Viking, 1964.
Warning: These citations may not always be 100% accurate.