APA (7th ed.) Citation

Thomas, R. (1985). A user quide to the unix system. Osborne McGraw-Hill.

Chicago Style (17th ed.) Citation

Thomas, Rebecca. A User Quide to the Unix System. Berkeley California: Osborne McGraw-Hill, 1985.

MLA (8th ed.) Citation

Thomas, Rebecca. A User Quide to the Unix System. Osborne McGraw-Hill, 1985.