Sykes, S. (1971). An introduction to christian theology today. John Knox Press.
芝加哥风格引文Sykes, Stephen. An Introduction to Christian Theology Today. Atlanta: John Knox Press, 1971.
MLA引文Sykes, Stephen. An Introduction to Christian Theology Today. John Knox Press, 1971.
警告：这些引文格式不一定是100％准确.