APA (7th ed.) Citation

Chiesa, R., Ducci, S., & Ciappi, S. (2009). Profiling hackers. the science of criminal profiling as applied to the world of hacking.

Chicago Style (17th ed.) Citation

Chiesa, Raoul, Stafania Ducci, and Silvio Ciappi. Profiling Hackers. Profiling hackers: the science of criminal profiling as applied to the world of hacking, 2009.

MLA (9th ed.) Citation

Chiesa, Raoul, et al. Profiling Hackers. the science of criminal profiling as applied to the world of hacking, 2009.

Warning: These citations may not always be 100% accurate.