APA引文

Agnew, J. (1987). The United States in the world-economy: A regional geography. Cambridge: Cambridge University Press.

Trích dẫn kiểu Chicago

Agnew, John. The United States in the World-economy: A Regional Geography. Cambridge: Cambridge University Press, 1987.

MLA引文

Agnew, John. The United States in the World-economy: A Regional Geography. Cambridge: Cambridge University Press, 1987.

警告：这些引文格式不一定是100％准确.