APA (7th ed.) Citation

Schneier, B. (2003). Beyond fear: Thinking sensibly about security in an uncertain world. Copernicus Books.

Chicago Style (17th ed.) Citation

Schneier, Bruce. Beyond Fear: Thinking Sensibly About Security in an Uncertain World. New York: Copernicus Books, 2003.

MLA (9th ed.) Citation

Schneier, Bruce. Beyond Fear: Thinking Sensibly About Security in an Uncertain World. Copernicus Books, 2003.