APA (7th ed.) Citation

Blacharski, D. (1998). Network security in a mixed environment. IDG Books Worldwide.

Chicago Style (17th ed.) Citation

Blacharski, Dan. Network Security in a Mixed Environment. Foster City, CA: IDG Books Worldwide, 1998.

MLA (8th ed.) Citation

Blacharski, Dan. Network Security in a Mixed Environment. IDG Books Worldwide, 1998.