Gaya APA

Engel, J, F., Norton, H, W. (1975). What's Gone Wrong with The Harvest?; A communication strategy for the church and world evangelism . USA: Zondervan.

Gaya MLA

Engel, James, F., Norton, H., Wilbert. "What's Gone Wrong with The Harvest?; A communication strategy for the church and world evangelism". USA: Zondervan, 1975. Text.