APA (7th ed.) Citation

Bourne, S. R. (1983). The UNIX system. Addison-Wesley.

Chicago Style (17th ed.) Citation

Bourne, S. R. The UNIX System. London: Addison-Wesley, 1983.

MLA (9th ed.) Citation

Bourne, S. R. The UNIX System. Addison-Wesley, 1983.

Warning: These citations may not always be 100% accurate.