APA (7th ed.) Citation

Calvin, W. H. (2000). The ascent of mind: Ice Age climates and the evolution of intelligence. Authors Guild Backinprint.com.

Chicago Style (17th ed.) Citation

Calvin, William H. The Ascent of Mind: Ice Age Climates and the Evolution of Intelligence. New York: Authors Guild Backinprint.com, 2000.

MLA (8th ed.) Citation

Calvin, William H. The Ascent of Mind: Ice Age Climates and the Evolution of Intelligence. Authors Guild Backinprint.com, 2000.