Glass, G., & Ables, K. (1999). UNIX for programmers and users (2a. ed.). Prentice-Hall.
Chicago Style (17th ed.) CitationGlass, Graham, and King Ables. UNIX for Programmers and Users. 2a. ed. New Jersey: Prentice-Hall, 1999.
MLA (9th ed.) CitationGlass, Graham, and King Ables. UNIX for Programmers and Users. 2a. ed. Prentice-Hall, 1999.