Shermer, M. (2005). Science friction: Where the known meets the unknown. Times books.
Cita Chicago (17th ed.)Shermer, Michael. Science Friction: Where the Known Meets the Unknown. New York: Times books, 2005.
Cita MLA (9th ed.)Shermer, Michael. Science Friction: Where the Known Meets the Unknown. Times books, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.