APA (7th ed.) Citation

Lewis, J. S., & Lewis, R. A. (1987). Space resources: Breaking the bonds of earth. Columbia University Press.

Chicago Style (17th ed.) Citation

Lewis, John S., and Ruth A. Lewis. Space Resources: Breaking the Bonds of Earth. New York: Columbia University Press, 1987.

MLA (8th ed.) Citation

Lewis, John S., and Ruth A. Lewis. Space Resources: Breaking the Bonds of Earth. Columbia University Press, 1987.