APA (7th ed.) Citation
Troy, D. (1990). Computing Fundamentals UNIX Systems (1. ed.). Addison - Wesley Pub. Co.
Chicago Style (17th ed.) Citation
Troy, Douglas. Computing Fundamentals UNIX Systems. 1. ed. Reading: Addison - Wesley Pub. Co, 1990.
MLA (9th ed.) Citation
Troy, Douglas. Computing Fundamentals UNIX Systems. 1. ed. Addison - Wesley Pub. Co, 1990.
Warning: These citations may not always be 100% accurate.