APA (7th ed.) Citation

Mayo. (1989). Computer viruses: What they are, how they work and how to avoid them. Windcrest Books.

Chicago Style (17th ed.) Citation

Mayo. Computer Viruses: What They Are, How They Work and How to Avoid Them. Blue Ridge Summit: Windcrest Books, 1989.

MLA (8th ed.) Citation

Mayo. Computer Viruses: What They Are, How They Work and How to Avoid Them. Windcrest Books, 1989.