Complex sentence: Leading church growth writer C. Peter Wagner says church planting is "the single most effective evangelistic methodology under heaven" Church Planting for Greater Harvest (Regal, Glendale: 1991) 5 and for its advocates this remains church planting's greatest rationale.
Split into simpler sentences: Leading church growth writer C. Peter Wagner says Church Planting is the most effective evangelistic strategy under heaven, 1991 Church Planting for Greater Harvest. Regal and for its advocates this remains church planting's greatest rationale.