On sale date from Blackhawk #194 and copyright registration.
Pencils credit from Bob Klein, Gene Reed, Bob Hughes, and Mike Tiefenbacher. Craig Delich and Pat Lang credit Jim Mooney. Letters credit from Todd Klein via his Klein Letters blog (18 September 2016, http://kleinletters.com/Blog/ira-schnapp-in-worlds-finest-comics-part-1/).
Last new Green Arrow story in World's Finest Comics. Next Green Arrow solo story in Green Lantern #87.
Writer Credit by Martin O'Hearn.
The final panel lists some ways you can share with senior citizens.