APA引文
Luther, M. (1990). The large catechism. Christian Classics Ethereal Library.
芝加哥风格引文
Luther, Martin. The Large Catechism. Grand Rapids, Mich.: Christian Classics Ethereal Library, 1990.
MLA引文
Luther, Martin. The Large Catechism. Christian Classics Ethereal Library, 1990.
警告：这些引文格式不一定是100％准确.