APA引文

Warren, S. (1967). The American president. Prentice-Hall.

芝加哥风格引文

Warren, Sidney. The American President. Englewood Cliffs, N.J.: Prentice-Hall, 1967.

MLA引文

Warren, Sidney. The American President. Prentice-Hall, 1967.

警告：这些引文格式不一定是100％准确.