APA (7th ed.) Citation

Adams, F., & Laughlin, G. (1999). The five ages of the universe: Inside the physics of eternity. Free Press.

Chicago Style (17th ed.) Citation

Adams, Fred, and Greg Laughlin. The Five Ages of the Universe: Inside the Physics of Eternity. New York: Free Press, 1999.

MLA (9th ed.) Citation

Adams, Fred, and Greg Laughlin. The Five Ages of the Universe: Inside the Physics of Eternity. Free Press, 1999.