APA (7th ed.) Citation

McBride, P. K. (1993). Unix by example: A handbook for new users. Newtech.

Chicago Style (17th ed.) Citation

McBride, P. K. Unix by Example: A Handbook for New Users. Oxford [England] ; Boston: Newtech, 1993.

MLA (9th ed.) Citation

McBride, P. K. Unix by Example: A Handbook for New Users. Newtech, 1993.