This issue has variants.
Wilson pencils, possible Milgrom inks and Danny Crespi lettering per Nick Caputo. Original indexer credited Gaspar Saladino with lettering.
Todd Klein also credits Gaspar Saladino with the lettering (from the Klein Letters blog, http://kleinletters.com/Blog/the-danny-crespi-files-part-8/ , retrieved 12 September 2016).
Hulk's story continues in Marvel Team-up (Marvel, 1972 series) #27
Letters from Bob Warner, Chad B. Goyette, Tom Long, Robert Hewko, Steve Humphreys. Also includes Marvel Value Stamp #20 Brother Voodoo.
Split between 1/2 page on page 19 and 3/4 page on page 32.