APA (7th ed.) Citation

Clarke, R. A., & Knake, R. K. (2010). Cyber war: The next threat to national security and what to do about it. Ecco.

Chicago Style (17th ed.) Citation

Clarke, Richard A., and Robert K. Knake. Cyber War: The Next Threat to National Security and What to Do About It. New York: Ecco, 2010.

MLA (9th ed.) Citation

Clarke, Richard A., and Robert K. Knake. Cyber War: The Next Threat to National Security and What to Do About It. Ecco, 2010.