APA-Zitierstil (7. Ausg.)

Young, D. A. (1990). The X window system: Programming and applications with Xt ; OSF/Motif edition. Prentice Hall.

Chicago-Zitierstil (17. Ausg.)

Young, Douglas A. The X Window System: Programming and Applications with Xt ; OSF/Motif Edition. Englewood Cliffs, NJ: Prentice Hall, 1990.

MLA-Zitierstil (9. Ausg.)

Young, Douglas A. The X Window System: Programming and Applications with Xt ; OSF/Motif Edition. Prentice Hall, 1990.