APA引文

Mueller, D. L. (1972). Karl Barth. Word Books.

芝加哥风格引文

Mueller, David L. Karl Barth. Waco, Tex.: Word Books, 1972.

MLA引文

Mueller, David L. Karl Barth. Word Books, 1972.

警告：这些引文格式不一定是100％准确.