Strange Special Teams Play, What's the call?

[jks7777]

NCAA Rules.

Team A is punting to Team B from Team A's 6 Yard Line.
Ball is punted across the neutral zone.
Due to the short punt players from Team B avoid the ball.
Ball bounces on the Team A's 18 yard line and hops back into the endzone. Punter from Team A touches the ball 2 yards deep in the endzone.

No player from Team B touches the ball.
First player to touch the ball is the punter after the ball crosses the neural zone twice.
What is the call? Touchdown for Team B or Safety.

I could not find an answer for this situtation in the NCAA rule book. What are your thoughts?

J