APA引文

Hadley, H. (1973). A free order: National goal and world goal. Greenwood Press.

芝加哥风格引文

Hadley, Hamilton. A Free Order: National Goal and World Goal. Westport, Conn.: Greenwood Press, 1973.

MLA引文

Hadley, Hamilton. A Free Order: National Goal and World Goal. Greenwood Press, 1973.

警告：这些引文格式不一定是100％准确.