APA引文

Penniman, H. R. (1962). The american political process. New York: D. Van Nostrand Company, Inc.

Trích dẫn kiểu Chicago

Penniman, Howard R. The American Political Process. New York: D. Van Nostrand Company, Inc, 1962.

MLA引文

Penniman, Howard R. The American Political Process. New York: D. Van Nostrand Company, Inc, 1962.

警告：這些引文格式不一定是100％准確.