CHICAGO MANUAL of style. 

 - Ed 15 
 - Chicago  University of Chicago Press      2003 
 - 956p  cm. 
<br/><br/><label>Standard No.: </label>10632 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>P:796g, P3