Quercia, V., & O'Reilly, T. (1993). X Window system user's guide (OSF/Motif 1.2 ed., Motif 2. ed., minor corr.). O'Reilly.
Chicago Style (17th ed.) CitationQuercia, Valerie, and Tim O'Reilly. X Window System User's Guide. OSF/Motif 1.2 ed., Motif 2. ed., minor corr. Sebastopol, CA: O'Reilly, 1993.
MLA (9th ed.) CitationQuercia, Valerie, and Tim O'Reilly. X Window System User's Guide. OSF/Motif 1.2 ed., Motif 2. ed., minor corr. O'Reilly, 1993.
Warning: These citations may not always be 100% accurate.