GOD'S WORD® Translation
But the Pharisees said, "He forces demons out of people with the help of the ruler of demons."

American Standard Version
But the Pharisees said, By the prince of the demons casteth he out demons.

Berean Study Bible
But the Pharisees said, “It is by the prince of demons that He drives out demons.”

Douay-Rheims Bible
But the Pharisees said, By the prince of devils he casteth out devils.

English Revised Version
But the Pharisees said, By the prince of the devils casteth he out devils.

King James Bible
But the Pharisees said, He casteth out devils through the prince of the devils.

World English Bible
But the Pharisees said, "By the prince of the demons, he casts out demons."

Young's Literal Translation
but the Pharisees said, 'By the ruler of the demons he doth cast out the demons.'

Matthew 9:34 Additional Translations ...