Mo. Rev. Stat. § 483.190
483.190 Trial by the court or a jury.
483.190. Trial by the court or a jury. — A jury may be summoned to try the truth of the charges, if they are denied, or the whole matter may be submitted to the court for its determination.
(RSMo 1939 § 13305) Prior revisions: 1929 § 11686; 1919 § 2130; 1909 § 2693