APA (7th ed.) Citation

Cloud, P. (1988). Oasis in space: Earth history from the beginning. W.W. Norton.

Chicago Style (17th ed.) Citation

Cloud, Preston. Oasis in Space: Earth History from the Beginning. New York: W.W. Norton, 1988.

MLA (9th ed.) Citation

Cloud, Preston. Oasis in Space: Earth History from the Beginning. W.W. Norton, 1988.

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