de Guzman, O. (2001). Viruses: The unseen enemies. Health Today.
Chicago Style (17th ed.) Citationde Guzman, Orange. "Viruses: The Unseen Enemies." Health Today 2001.
MLA (9th ed.) Citationde Guzman, Orange. "Viruses: The Unseen Enemies." Health Today, 2001.
Warning: These citations may not always be 100% accurate.