Bible Verses About Abba: Father.

and he said, `Abba, Father; all things are possible to Thee; make this cup pass from me; but, not what I will, but what Thou.'

for ye did not receive a spirit of bondage again for fear, but ye did receive a spirit of adoption in which we cry, `Abba--Father.'

and because ye are sons, God did send forth the spirit of His Son into your hearts, crying, `Abba, Father!'