Luther, M. (1911). Dr. Martin Luther's Briefwechsel. Dr. Martin Luther's Briefwechsel.
芝加哥风格引文Luther, Martin. "Dr. Martin Luther's Briefwechsel." Dr. Martin Luther's Briefwechsel 1911.
MLA引文Luther, Martin. "Dr. Martin Luther's Briefwechsel." Dr. Martin Luther's Briefwechsel, 1911.
警告：这些引文格式不一定是100％准确.