APA (7th ed.) Citation

Lehtinen, R., Russell, D., & Gangemi, G. T. (2006). Computer security basics (2nd ed.). O'Reilly & Associates.

Chicago Style (17th ed.) Citation

Lehtinen, Rick, Deborah Russell, and G. T. Gangemi. Computer Security Basics. 2nd ed. Sebastopol, CA: O'Reilly & Associates, 2006.

MLA (8th ed.) Citation

Lehtinen, Rick, et al. Computer Security Basics. 2nd ed. O'Reilly & Associates, 2006.