APA Style

Sobell, Mark G.. (2005). The Practical Guide to Linux . : Prentice Hall PTR.

Chicago Style

Sobell, Mark G.. The Practical Guide to Linux. : Prentice Hall PTR, 2005. Text.

MLA Style

Sobell, Mark G.. The Practical Guide to Linux. : Prentice Hall PTR, 2005. Text.

Turabian Style

Sobell, Mark G.. The Practical Guide to Linux. : Prentice Hall PTR, 2005. Print.