APA引文

De Blij, H. J. (1967). Systematic political geography. Wiley.

芝加哥风格引文

De Blij, Harm J. Systematic Political Geography. New York: Wiley, 1967.

MLA引文

De Blij, Harm J. Systematic Political Geography. Wiley, 1967.

警告：这些引文格式不一定是100％准确.