APA (7th ed.) Citation

Madden, G., Coble-Neal, G., & Savage, S. (2004). United States Internet Penetration. Routledge - Taylor and Francis Ltd.

Chicago Style (17th ed.) Citation

Madden, Gary, Grant Coble-Neal, and Scott Savage. United States Internet Penetration. Routledge - Taylor and Francis Ltd, 2004.

MLA (9th ed.) Citation

Madden, Gary, et al. United States Internet Penetration. Routledge - Taylor and Francis Ltd, 2004.