Mo. Rev. Stat. § 311.760

Any person violating the terms of the injunction as provided for in this chapter, shall be punished for contempt by fine of not less than one hundred dollars, nor more than one thousand dollars, or by imprisonment in the county jail for not less than thirty days or more than one year; or by both such fine and imprisonment and the court shall have the power to enforce such injunction by such measures and means as in the judgment of the court may be necessary.