What type of electrical connection does the Kenmore 110.60942990 dryer require?

The dryer requires a three-wire or four-wire, single phase, 120/240-volt, 60-Hz., AC-only electrical supply on a separate 30-ampere circuit, fused on both sides of the line. A time-delay fuse or circuit breaker is recommended. Do not use an extension cord with this dryer. (Page 14)