Cicero..
[Works]. Volume XIX.. De Natura Deorum ; Academica / with an English translation by H. Rackham. /

. - Cambridge ; London  : Harvard University Press,  1994 
. - XX, 664 p.  17 cm. 
 - ((The Loeb classical library ; 268) )
<br/><label>  ISBN: </label>0-674-99296-2