APA (7th ed.) Citation

Horspool, R. N. (1992). The Berkeley UNIX environment (2. ed.). Prentice-Hall Canada.

Chicago Style (17th ed.) Citation

Horspool, R. Nigel. The Berkeley UNIX Environment. 2. ed. Scarborough, Ontario: Prentice-Hall Canada, 1992.

MLA (9th ed.) Citation

Horspool, R. Nigel. The Berkeley UNIX Environment. 2. ed. Prentice-Hall Canada, 1992.