APA Citation

 Limoncelli, T. (2007).  Practice of system and network administration.  Addison-Wesley.

Chicago Style Citation

 Limoncelli, Tom.  Practice of System and Network Administration.  Addison-Wesley, 2007.

MLA Citation

 Limoncelli, Tom.  Practice of System and Network Administration.  Addison-Wesley, 2007.

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