APA (7th ed.) Citation

Syngress Media, Inc, & ProQuest (Firm). (2000). E-mail virus protection handbook. Syngress Publishing.

Chicago Style (17th ed.) Citation

Syngress Media, Inc, and ProQuest (Firm). E-mail Virus Protection Handbook. Rockland, MA: Syngress Publishing, 2000.

MLA (9th ed.) Citation

Syngress Media, Inc, and ProQuest (Firm). E-mail Virus Protection Handbook. Syngress Publishing, 2000.

Warning: These citations may not always be 100% accurate.