On-sale date from Comics Reader #129.
Colors credit provided by Anthony Tollin.
Inside front cover.
Elliot S! Maggin was not listed in the credits of the story since he had his name removed after a disagreement with the editor Julius Schwartz as documented in "Comic Book Legends Revealed #262" here: http://goodcomics.comicbookresources.com/2010/05/27/comic-book-legends-r....