Geisler, N. (1976). Christian apologetics. Baker book house.
芝加哥风格引文Geisler, Norman. Christian Apologetics. Michigan: Baker book house, 1976.
MLA引文Geisler, Norman. Christian Apologetics. Baker book house, 1976.
警告：这些引文格式不一定是100％准确.
APA引文