APA (7th ed.) Citation

Sagan, C., & Turco, R. (1991). A path where no man thought : nuclear winter and the end of the arms race / Carl Sagan, Richard Turco: Nuclear winter and the end of the arms race. Century.

Chicago Style (17th ed.) Citation

Sagan, Carl, and Richard Turco. A Path Where No Man Thought : Nuclear Winter and the End of the Arms Race / Carl Sagan, Richard Turco: Nuclear Winter and the End of the Arms Race. London: Century, 1991.

MLA (9th ed.) Citation

Sagan, Carl, and Richard Turco. A Path Where No Man Thought : Nuclear Winter and the End of the Arms Race / Carl Sagan, Richard Turco: Nuclear Winter and the End of the Arms Race. Century, 1991.

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