This issue has variants.
Sinnott cover inks credit from Sinnott's personal records. Sources for Giacoia inks credit are The Marvel Comics Index, and Official Index to the Marvel Universe. Nick Caputo believes Sinnott's record is in error and agrees that Giacoia is the inker.
Story continued in MARVEL SPOTLIGHT (Marvel, 1971 series) #12 (October 1973).
Source for Saladino letters credit is The Marvel Comics Index.