APA (7th ed.) Citation

Levell, S. A., & Lovell, S. B. (1962). The exploration of outer space. Harper & Row.

Chicago Style (17th ed.) Citation

Levell, Sir Alfred, and Sir Bernard Lovell. The Exploration of Outer Space. New York: Harper & Row, 1962.

MLA (9th ed.) Citation

Levell, Sir Alfred, and Sir Bernard Lovell. The Exploration of Outer Space. Harper & Row, 1962.