APA Style

Sobell, Mark G.. (). A practical guide Ubuntu Linux . : Prentice Hall.

Chicago Style

Sobell, Mark G.. A practical guide Ubuntu Linux. : Prentice Hall, . Printed Book.

MLA Style

Sobell, Mark G.. A practical guide Ubuntu Linux. : Prentice Hall, . Printed Book.

Turabian Style

Sobell, Mark G.. A practical guide Ubuntu Linux. : Prentice Hall, . Printed Book.