Berns, W. (1970). The First Amendment and the future of American democracy. Basic Books.
Chicago-Zitierstil (17. Ausg.)Berns, Walter. The First Amendment and the Future of American Democracy. New York: Basic Books, 1970.
MLA-Zitierstil (8. Ausg.)Berns, Walter. The First Amendment and the Future of American Democracy. Basic Books, 1970.
警告：这些引文格式不一定是100％准确.