Beginning Ubuntu Linux

MLA

Thomas, Keir, Jason Gilmore, and Steve Anglin. Beginning Ubuntu Linux. Apress, 2006.

APA

Thomas, K., Gilmore, J., & Anglin, S. (2006). Beginning Ubuntu Linux. Apress.

Chicago

Thomas, Keir, Jason Gilmore, and Steve Anglin. Beginning Ubuntu Linux. : Apress, 2006.