APA (7th ed.) Citation

Bourne, P. E. (2003). UNIX for OpenVMS users (3rd ed.). Digital Press.

Chicago Style (17th ed.) Citation

Bourne, Philip E. UNIX for OpenVMS Users. 3rd ed. Amsterdam: Digital Press, 2003.

MLA (9th ed.) Citation

Bourne, Philip E. UNIX for OpenVMS Users. 3rd ed. Digital Press, 2003.