APA (7th ed.) Citation

Gauthier, R. (1981). Using the Unix system. Reston Publ. Co.

Chicago Style (17th ed.) Citation

Gauthier, Richard. Using the Unix System. Reston, Va: Reston Publ. Co, 1981.

MLA (9th ed.) Citation

Gauthier, Richard. Using the Unix System. Reston Publ. Co, 1981.

Warning: These citations may not always be 100% accurate.