Berkhof, H. (1989). Two hundred years of theology: Report of a personal journey. Grand Rapids.
芝加哥风格引文Berkhof, Hendrikus. Two Hundred Years of Theology: Report of a Personal Journey. Michigan: Grand Rapids, 1989.
MLA引文Berkhof, Hendrikus. Two Hundred Years of Theology: Report of a Personal Journey. Grand Rapids, 1989.
警告：这些引文格式不一定是100％准确.