APA (7th ed.) Citation

Russell, D., & Gangemi, G. T. (1991). Computer security basics. O'Reilly.

Chicago Style (17th ed.) Citation

Russell, Deborah, and G. T. Gangemi. Computer Security Basics. Sebastopol, California: O'Reilly, 1991.

MLA (9th ed.) Citation

Russell, Deborah, and G. T. Gangemi. Computer Security Basics. O'Reilly, 1991.