APA引文

Muehl, W. (1986). Why preach ? Why listen ? Fortress.

芝加哥风格引文

Muehl, William. Why Preach ? Why Listen ? Philadelphia: Fortress, 1986.

MLA引文

Muehl, William. Why Preach ? Why Listen ? Fortress, 1986.

警告：这些引文格式不一定是100％准确.