APA (7th ed.) Citation

Quercia, V. (1991). X Window System user's guide: OSF/Motif edition (3. ed., rev. to reflect release 4, Motif ed., small print.). O'Reilly.

Chicago Style (17th ed.) Citation

Quercia, Valerie. X Window System User's Guide: OSF/Motif Edition. 3. ed., rev. to reflect release 4, Motif ed., small print. Cambridge, Mass. <<[u.a.]>>: O'Reilly, 1991.

MLA (9th ed.) Citation

Quercia, Valerie. X Window System User's Guide: OSF/Motif Edition. 3. ed., rev. to reflect release 4, Motif ed., small print. O'Reilly, 1991.