APA (7th ed.) Citation

Wood, P. H., & Kochan, S. G. (1990). UNIX system security (1. ed., 7. pr.). Hyden.

Chicago Style (17th ed.) Citation

Wood, Patrick H., and Stephen G. Kochan. UNIX System Security. 1. ed., 7. pr. Carmel, Ind: Hyden, 1990.

MLA (9th ed.) Citation

Wood, Patrick H., and Stephen G. Kochan. UNIX System Security. 1. ed., 7. pr. Hyden, 1990.