APA (7th ed.) Citation

Vacca, J. R. (1996). Internet security secrets. IDG Books Worldwide.

Chicago Style (17th ed.) Citation

Vacca, John R. Internet Security Secrets. Foster City, Calif: IDG Books Worldwide, 1996.

MLA (9th ed.) Citation

Vacca, John R. Internet Security Secrets. IDG Books Worldwide, 1996.

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