APA (7th ed.) Citation

Backhurst, N. G., & Davies, P. J. (1986). Systems managment under UNIX and UNIX-like systems. Sigma Press.

Chicago Style (17th ed.) Citation

Backhurst, N. G., and P. J. Davies. Systems Managment Under UNIX and UNIX-like Systems. Wilmslow: Sigma Press, 1986.

MLA (9th ed.) Citation

Backhurst, N. G., and P. J. Davies. Systems Managment Under UNIX and UNIX-like Systems. Sigma Press, 1986.