APA引文

Food Safety Issues. (2002). Terrorist threats to food. s.e.

芝加哥风格引文

Food Safety Issues. Terrorist Threats to Food. s.l: s.e, 2002.

MLA引文

Food Safety Issues. Terrorist Threats to Food. s.e, 2002.

警告：这些引文格式不一定是100％准确.