APA Edition Citation

Kernighan, B. W., & Pike, R. (1999). Unix programming environment. Prentice-Hall.

Chicago Edition Citation

Kernighan, Brian W., and Rob Pike. Unix Programming Environment. New Delhi: Prentice-Hall, 1999.

MLA Edition Citation

Kernighan, Brian W., and Rob Pike. Unix Programming Environment. Prentice-Hall, 1999.