APA引文

Krent, H. J. (2005). Presidential powers. New York University Press.

芝加哥风格引文

Krent, Harold J. Presidential Powers. New York: New York University Press, 2005.

MLA引文

Krent, Harold J. Presidential Powers. New York University Press, 2005.

警告:这些引文格式不一定是100%准确.