Practical joke 25 years ago begins era of computer viruses. The Philippine star.
Chicago Style (17th ed.) Citation"Practical Joke 25 Years Ago Begins Era of Computer Viruses." The Philippine Star .
MLA (9th ed.) Citation"Practical Joke 25 Years Ago Begins Era of Computer Viruses." The Philippine Star, .
Warning: These citations may not always be 100% accurate.