APA (7th ed.) Citation

Asente, P. J., Swick, R. R., & MacCormack, J. (1990). X window system toolkit: The complete programmer's guide and specification ; X version 11, release 4 (Internat. ed.). Digital Press u.a.

Chicago Style (17th ed.) Citation

Asente, Paul J., Ralph R. Swick, and Joel MacCormack. X Window System Toolkit: The Complete Programmer's Guide and Specification ; X Version 11, Release 4. Internat. ed. [Bedford, Mass.]: Digital Press u.a, 1990.

MLA (9th ed.) Citation

Asente, Paul J., et al. X Window System Toolkit: The Complete Programmer's Guide and Specification ; X Version 11, Release 4. Internat. ed. Digital Press u.a, 1990.