APA引文
Maathai, W. (2009). The challenge for Africa (ed.). Pantheon Books.
芝加哥风格引文
Maathai, Wangari. The Challenge for Africa. ed. New York: Pantheon Books, 2009.
MLA引文
Maathai, Wangari. The Challenge for Africa. ed. Pantheon Books, 2009.
警告：这些引文格式不一定是100％准确.