APA-Zitierstil (7. Ausg.)

Quercia, V., & O'Reilly, T. (1989). X Window System user's guide: For version 11 of the X window system (2. ed., minor corr.). O'Reilly.

Chicago-Zitierstil (17. Ausg.)

Quercia, Valerie, und Tim O'Reilly. X Window System User's Guide: For Version 11 of the X Window System. 2. ed., minor corr. Sebastopol, Calif: O'Reilly, 1989.

MLA-Zitierstil (9. Ausg.)

Quercia, Valerie, und Tim O'Reilly. X Window System User's Guide: For Version 11 of the X Window System. 2. ed., minor corr. O'Reilly, 1989.