APA引文

Willockx, F. 273/1.1: Briefwisseling.

芝加哥风格引文

Willockx, Freddy. 273/1.1: Briefwisseling.

MLA引文

Willockx, Freddy. 273/1.1: Briefwisseling.

警告：这些引文格式不一定是100％准确.