APA (7th ed.) Citation

Butzen, F., & Hilton, C. (1998). The LINUX network. IDG Books Worldwide.

Chicago Style (17th ed.) Citation

Butzen, Fred, and Christopher Hilton. The LINUX Network. Foster City, Calif: IDG Books Worldwide, 1998.

MLA (9th ed.) Citation

Butzen, Fred, and Christopher Hilton. The LINUX Network. IDG Books Worldwide, 1998.