APA (7th ed.) Citation

Quercia, V., & O'Reilly, T. (1993). X Window System user's guide: OSF/Motif 1.2 edition. O'Reilly & Associates.

Chicago Style (17th ed.) Citation

Quercia, Valerie, and Tim O'Reilly. X Window System User's Guide: OSF/Motif 1.2 Edition. Sebastopol, CA: O'Reilly & Associates, 1993.

MLA (8th ed.) Citation

Quercia, Valerie, and Tim O'Reilly. X Window System User's Guide: OSF/Motif 1.2 Edition. O'Reilly & Associates, 1993.