diff --git a/entries/cargo cult programming.txt b/entries/cargo cult programming.txt
index 4bd2a07..a1829cc 100644
--- a/entries/cargo cult programming.txt	
+++ b/entries/cargo cult programming.txt	
@@ -12,6 +12,4 @@ airplanes and military style landing strips in the hope of bringing the
 return of the god-like airplanes that brought such marvelous cargo during
 the war. Hackish usage probably derives from Richard Feynman's
 characterization of certain practices as cargo cult science in his book
-Surely You're Joking, Mr. Feynman! (W. W. Norton Co, New York 1985, ISBN
-0-393-01921-7).
-
+Surely You're Joking, Mr. Feynman!.