APA (7th ed.) Citation
McElhearn, K. (2005). The MAC OS X command line: Unix under the hood. Sybex.
Chicago Style (17th ed.) Citation
McElhearn, Kirk. The MAC OS X Command Line: Unix Under the Hood. San Francisco: Sybex, 2005.
MLA (9th ed.) Citation
McElhearn, Kirk. The MAC OS X Command Line: Unix Under the Hood. Sybex, 2005.
Warning: These citations may not always be 100% accurate.