APA (7th ed.) Citation

Watts, D. J. (2004). Six degrees: The science of a connected age ; [with a new chapter]. W.W. Norton & Company.

Chicago Style (17th ed.) Citation

Watts, Duncan J. Six Degrees: The Science of a Connected Age ; [with a New Chapter]. New York ; London: W.W. Norton & Company, 2004.

MLA (9th ed.) Citation

Watts, Duncan J. Six Degrees: The Science of a Connected Age ; [with a New Chapter]. W.W. Norton & Company, 2004.