APA Citation

Ray, & Ray. (2009). Unix and Linux (4th ed.). Berkeley, CA: Peachpit Press.

Chicago Style Citation

Ray, and Ray. Unix and Linux. 4th ed. Berkeley, CA: Peachpit Press, 2009.

MLA Citation

Ray, and Ray. Unix and Linux. 4th ed. Berkeley, CA: Peachpit Press, 2009.

Warning: These citations may not always be 100% accurate.