APA (7th ed.) Citation

Vincent, W. S. (1976). Improbable planet. Vantage Press.

Chicago Style (17th ed.) Citation

Vincent, William Shafer. Improbable Planet. New York: Vantage Press, 1976.

MLA (9th ed.) Citation

Vincent, William Shafer. Improbable Planet. Vantage Press, 1976.