APA (7th ed.) Citation

Anderson, B., Henderson, H., & Costales, B. (1991). UNIX communications (2nd ed.). Sams.

Chicago Style (17th ed.) Citation

Anderson, Bart, Harry Henderson, and Bryan Costales. UNIX Communications. 2nd ed. Carmel, Ind.: Sams, 1991.

MLA (8th ed.) Citation

Anderson, Bart, et al. UNIX Communications. 2nd ed. Sams, 1991.