APA引文

(1980). Case studies on desertification (Natural Resources Research XVIII). Unesco/UNEP/UNDP.

芝加哥风格引文

Case Studies on Desertification (Natural Resources Research XVIII). Paris: Unesco/UNEP/UNDP, 1980.

MLA引文

Case Studies on Desertification (Natural Resources Research XVIII). Unesco/UNEP/UNDP, 1980.

警告：这些引文格式不一定是100％准确.