St Michael Prayer..
St Michael the Archangel defend us in battle. Be our protection against the wickedness and snares of the devil. May God rebuke him, we humbly pray. Eternal rest grant unto them O Lord and let perpetual light shine upon them. May their souls and the souls of the faithful departed through the mercy of God, rest in peace. In the Name of the Father and of the Son and of the Holy Spirit. Amen


OR:

Prayer To Saint Michael
Holy Michael the Archangel, defend us in battle. Be our protection against the wickedness and snares of the devil. May God rebuke him, we humbly pray; and do Thou, O Prince of the heavenly hosts, by the power of God, thrust into hell Satan and all the other evil spirits who prowl through the world seeking the ruin of souls. Amen. return

from: http://www.geocities.com/marycozzens/stmicheal.html