First, recite this prayer.

O wonderful St. Anthony,
glorious on account of the fame of your miracles,and through the condescension of Jesus in coming in the form of a little child to rest in your arms,obtain for me of His bounty the gracewhich I ardently desire from the depths of my heart...
(State your intention here.)
You who were so compassionate toward miserable sinners, regard not the unworthiness of those who pray to you,but the glory of God that it may once again be magnified by the granting of the particular request... (Request your intention here.)