34-1-140. Establishing joint tenancy or tenancy by entirety in real or personal property. (a) A joint tenancy or a tenancy by the entirety as to any interest in real or personal property may be established by the owner thereof, by designating in the instrument of conveyance or transfer, the names of such joint tenants or tenants by the entirety, including his own, without the necessity of any transfer or conveyance to or through a third person. (b) Unless the deed specifies another form of ownership, the designation of tenants on an instrument of conveyance or transfer of real property as 'husband and wife,' 'spouses' or similar language, shall be deemed to establish a tenancy by the entirety under subsection (a) of this section.
Wyoming Legal Code