Skinner, B. F.  1904-1990. <br/><br/>
Walden Two / 
by B. F. Skinner, with an introd. by the author. 
 - New York :  Macmillan,  c1976. 
 - xvi, 301 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>0024115215 0024115118 (pbk.) 
<br/><br/><label>LCCN: </label>75041339 
<br/><br/><label>LC Class. No.: </label>PS 3537 .K527  / W3 1976