APA (7th ed.) Citation

Mansfield, N. (1989). The X window system: A user's guide (1. pr.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Mansfield, Niall. The X Window System: A User's Guide. 1. pr. Amsterdam u.a: Addison-Wesley, 1989.

MLA (9th ed.) Citation

Mansfield, Niall. The X Window System: A User's Guide. 1. pr. Addison-Wesley, 1989.

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