APA (7th ed.) Citation

Ray, D., & Ray, E. (2009). Unix and Linux: Visual QuickStart Guide, Fourth Edition (4th edition.). Peachpit Press.

Chicago Style (17th ed.) Citation

Ray, Deborah, and Eric Ray. Unix and Linux: Visual QuickStart Guide, Fourth Edition. 4th edition. Peachpit Press, 2009.

MLA (9th ed.) Citation

Ray, Deborah, and Eric Ray. Unix and Linux: Visual QuickStart Guide, Fourth Edition. 4th edition. Peachpit Press, 2009.

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