APA (7th ed.) Citation

Glass, G., & Ables, K. (1999). UNIX for programmers and users (2nd ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Glass, Graham, and King Ables. UNIX for Programmers and Users. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 1999.

MLA (9th ed.) Citation

Glass, Graham, and King Ables. UNIX for Programmers and Users. 2nd ed. Prentice Hall, 1999.