APA Citation

 Gookin, D. (2004).  Power Excel and Word.  Sybex.

Chicago Style Citation

 Gookin, Dan.  Power Excel and Word.  Sybex, 2004.

MLA Citation

 Gookin, Dan.  Power Excel and Word.  Sybex, 2004.

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