APA引文

(2012). Progress on drinking water and sanitation. UNICEF and World Health Organization.

芝加哥风格引文

Progress on Drinking Water and Sanitation. New York: UNICEF and World Health Organization, 2012.

MLA引文

Progress on Drinking Water and Sanitation. UNICEF and World Health Organization, 2012.

警告：这些引文格式不一定是100％准确.