APA Style

Clarke, R, A, K, R, K. (2011). Cyber war : the next threat to national security and what to do about it / Richard A. Clarke and Robert K. Knake (1). New York: HarperCollins.

MLA Style

Clarke, Richard, A.,, Knake,, Robert, K.. "Cyber war : the next threat to national security and what to do about it / Richard A. Clarke and Robert K. Knake". 1 New York: HarperCollins, 2011. หนังสือ (Book).