"I did not know Him, but He who sent me to baptize with water said to me, 'Upon whom you see the Spirit descending, and remaining on Him, this is He who baptizes with the Holy Spirit.'
John 1:33 (NKJV)
"Then Peter said to them, "Repent, and let every one of you be baptized in the name of Jesus Christ for the remission of sins; and you shall receive the gift of the Holy Spirit."
Acts 2:38 (NKJV)
"who, when they had come down, prayed for them that they might receive the Holy Spirit. For as yet He had fallen upon none of them. They had only been baptized in the name of the Lord Jesus. Then they laid hands on them, and they received the Holy Spirit."
Acts 8:15-17 (NKJV)
"Then Paul said, "John indeed baptized with a baptism of repentance, saying to the people that they should believe on Him who would come after him, that is, on Christ Jesus."
When they heard this, they were baptized in the name of the Lord Jesus.
And when Paul had laid hands on them, the Holy Spirit came upon them, and they spoke with tongues and prophesied."
Acts 19:4-6 (NKJV)