APA (7th ed.) Citation

Das, S. (1993). Unix system V.4. Tata McGraw - Hill Publishing.

Chicago Style (17th ed.) Citation

Das, Sumitabha. Unix System V.4. New Delhi: Tata McGraw - Hill Publishing, 1993.

MLA (9th ed.) Citation

Das, Sumitabha. Unix System V.4. Tata McGraw - Hill Publishing, 1993.

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