The Bluebook  a uniform system of citation 
 Uniform system of citation 
compiled by the editors of the Columbia Law Review, the Harvard Law Review, the University of Pennsylvania Law Review, and the Yale Law Journal. 
 - 18th ed. 
 - Cambridge, MA  Harvard Law Review Association  2005. 
 - xiv, 415 p.  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Citation of legal authorities--United States.