Mo. Rev. Stat. § 91.820

All such cities are hereby authorized and empowered, for the purpose of acquiring, constructing, equipping, maintaining and extending such rapid transit improvement, and paying therefor, in whole or in part, to issue and sell public utility, public improvement, and general bonds. The form and denomination of such bonds; the date of maturity or maturities thereof; the rate of interest thereon and date and place of payment; by what officers and in what manner they shall be executed and attested; the place and method of payment, and the fund or funds out of which payment shall be made, together with other provisions and regulations concerning such bonds and not inconsistent herewith or contrary to law, shall be prescribed by the ordinance authorizing the particular issue.