O Blessed Saint Joseph, faithful guardian and protector of virgins, to whom God entrusted Jesus and Mary, I implore you by the love which you did bear them, to preserve me from every defilement of soul and body, that I may always serve them in holiness and purity of love.
Amen.
Amen.
If you would like to locate additional formal prayers to St. Joseph be sure to check out the link presented via the Oblates of Saint Joseph:
additional prayers to Saint Joseph
additional prayers to Saint Joseph