APA (7th ed.) Citation

Earhart, S. V. (1986). UNIX programmer's manual. Holt, Rinehart, and Winston.

Chicago Style (17th ed.) Citation

Earhart, Steven V. UNIX Programmer's Manual. New York: Holt, Rinehart, and Winston, 1986.

MLA (9th ed.) Citation

Earhart, Steven V. UNIX Programmer's Manual. Holt, Rinehart, and Winston, 1986.