APA (7th ed.) Citation

Christian, K. (1983). The UNIX operating system. Wiley.

Chicago Style (17th ed.) Citation

Christian, Kaare. The UNIX Operating System. New York: Wiley, 1983.

MLA (9th ed.) Citation

Christian, Kaare. The UNIX Operating System. Wiley, 1983.

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