APA (7th ed.) Citation

Zacker, C. (1998). TCP-IP administration. IDG Books Worldwide.

Chicago Style (17th ed.) Citation

Zacker, Craig. TCP-IP Administration. Foster City, California [etc.]: IDG Books Worldwide, 1998.

MLA (9th ed.) Citation

Zacker, Craig. TCP-IP Administration. IDG Books Worldwide, 1998.

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