A manual of style :  for authors, editors and copywriters. 

 - 12th ed., rev. 
 - Chicago :  University of Chicago Press,  c1969. 
 - ix, 546 p. :  ill. ;  24 cm. 
<br/><br/> Includes index.  Rev. ed. published as: The Chicago manual of style. 13th ed., rev. and expanded. 1982. 
<br/><br/>Bibliography: p. 513-520. 
<br/><br/><label>LCCN: </label>80121477 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Authorship--Style manuals.<br/>Printing--Style manuals.
<br/><br/><label>LC Class. No.: </label>Z253  / .C5714 1969 
<br/><br/><label>Dewey Class. No.: </label>808/.02