APA Citation

 O’Leary, T. J. (2004).  Microsoft Office Excel 2003.  McGraw-Hill.

Chicago Style Citation

 O’Leary, Timothy J.  Microsoft Office Excel 2003.  McGraw-Hill, 2004.

MLA Citation

 O’Leary, Timothy J.  Microsoft Office Excel 2003.  McGraw-Hill, 2004.

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