This is the 1980 release, which has the full LP version. The 1978 release has an edited version and different B side. (The copyrights on the label do not indicate date of the 45's release in this case.)
Taken from the Epic album: "A Decade Of Rock And Roll 1970 To 1980" KE2 36444
Side A: ℗ 1978 CBS Inc.
Side B: ℗ 1976 CBS Inc.