Cover title is "Bullwinkle and Rocky." © 1973,1962 P.A.T.--Ward Productions, Inc. Creator credits from Keith Scott in his book "The Moose That Roared." Karl Wilcox noted, February 2008, that only the scripts are by Al Kilgore, not the art, and that the Keith Scott book does not actually make the claim that the artwork is.
This story is also reprinted in Bullwinkle and Rocky (Gold Key, 1979 series) #23 (October 1979).
Script credit from Karl Wilcox, February 2008.