APA stil citiranja

Scheifler, R. W., & Gettys, J. (1992). X Window System: X Window System : the complete reference to Xlib, X Protocol, ICCCM, XLFD (3rd ed.). Burlington, MA: Digital Press.

Chicago stil citiranja

Scheifler, Robert W., and James Gettys. X Window System: X Window System : the complete reference to Xlib, X Protocol, ICCCM, XLFD. 3rd ed. Burlington, MA: Digital Press, 1992.

MLA stil citiranja

Scheifler, Robert W., and James Gettys. X Window System: X Window System : the complete reference to Xlib, X Protocol, ICCCM, XLFD. 3rd ed. Burlington, MA: Digital Press, 1992.